Baby Sitters Little Sister Books in Order
Part ofAnn M Martin Books in OrderExplore the Baby-Sitters Little Sister books by Ann M. Martin in reading order, with short summaries to help you choose where to begin Karen's adventures.
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Baby Sitters Little Sister books in publication order
127 books
Karen's Roller Skates
by Ann M Martin
1988
Karen’s new roller skates promise a weekend of tricks and fun, until a fall leaves her with a broken wrist. Determined to collect signatures on her cast, she sets herself the challenge of finding someone famous.
Karen's Witch
by Ann M Martin
1988
Karen is convinced her neighbor, Mrs. Porter, is a witch, especially when she notices black robes and a black cat. A meeting at the woman’s house gives Karen another reason to investigate despite rules against spying.
Karen's Kittycat Club
by Ann M Martin
1989
Inspired by Kristy’s club, Karen decides to start a cat-sitting business with her friends. Having cats of their own seems like a promising beginning, but finding customers and keeping the new group together prove challenging.
Karen's Little Sister
by Ann M Martin
1989
Karen feels overlooked when baby Emily joins the family and takes her place as the youngest sister. When Emily becomes ill, helping care for her gives Karen a new responsibility that challenges her feelings about the baby.
Karen's Worst Day
by Ann M Martin
1989
Karen’s day goes wrong from the moment she cannot find her favorite jeans. Disappointments pile up, even Boo-Boo refuses to play, and Karen’s efforts to improve things seem only to lead to more trouble.
Karen's Birthday
by Ann M Martin
1990
Karen looks forward to birthday presents and parties at both her parents' houses. What she really wants is one celebration with her whole family together, and she struggles to make the adults understand that wish.
Karen's Ghost
by Ann M Martin
1990
Karen believes Old Ben Brewer's ghost lives in her house, but the idea becomes frightening when she and Kristy expect an attic party on Halloween. A once entertaining ghost story now feels much too close to home.
Karen's Grandmothers
by Ann M Martin
1990
Karen already has four grandmothers when a nursing-home program gives her a fifth. Grandma B's music and dances feel unfamiliar, leaving Karen to decide how to connect with someone whose interests seem so different from hers.
Karen's Haircut
by Ann M Martin
1990
Karen hopes a new haircut will help her feel better about her glasses and missing teeth. When the salon gets it wrong, she worries about classmates' reactions and must find a way to regain her confidence.
Karen's Prize
by Ann M Martin
1990
Karen's talent for spelling takes her from a classroom bee toward bigger competitions and television. She loves winning, but her friends think she's showing off, forcing her to balance pride in her ability with their feelings.
Karen's Sleepover
by Ann M Martin
1990
Karen's first sleepover should mean spooky stories and fun with friends. A fight with Nancy changes the guest list, and an uncooperative new girl makes Karen wonder how to save both the party and her friendship.
Karen's Carnival
by Ann M Martin
1991
Bored with their usual activities, Karen and her friends organize a carnival with games and prizes. Once money starts coming in, they disagree over how to spend it, testing their ability to cooperate on a shared project.
Karen's Doll
by Ann M Martin
1991
Karen lends her expensive new doll to Nancy while her friend is sick, intending it as a temporary comfort. Nancy thinks the doll is a permanent gift, leaving Karen with an awkward misunderstanding to resolve.
Karen's Goldfish
by Ann M Martin
1991
Karen and Andrew are delighted with their new pet goldfish. When something happens to Karen's fish, Crystal Light, her excitement gives way to sadness, and she struggles to feel better about losing something she loves.
Karen's Good-bye
by Ann M Martin
1991
Karen enjoys her friendship with Amanda despite Hannie's dislike of the girl. When Amanda's family plans to move away, Karen must cope with losing a close friend while another friend treats the news much less seriously.
Karen's Home Run
by Ann M Martin
1991
A home run makes Karen proud of her softball skills, but her new nickname is followed by a batting slump. With a team parade approaching, she worries that striking out has taken away her right to celebrate.
Karen's in Love
by Ann M Martin
1991
Karen and Ricky go from enemies to sweethearts, then start fighting again. Gum in a desk and hurtful teasing threaten their plans, leaving Karen to decide whether their classroom romance can survive another round of disagreements.
Karen's New Teacher
by Ann M Martin
1991
Karen loves Ms. Colman's lively second-grade lessons, so a strict substitute comes as an unpleasant surprise. New rules and chores make school feel different, and Karen must adjust while wishing her usual teacher would return.
Karen's New Year
by Ann M Martin
1991
Karen encourages everyone to make New Year's resolutions and makes plenty of her own. When she starts monitoring broken promises, her family calls her a spy, turning her enthusiasm for improvement into a source of conflict.
Secret Diary
by Ann M Martin
1991
Karen Brewer introduces a diary for readers to complete themselves. Questions about friends, family and wishes, along with space for daily experiences, invite children to record their own thoughts and keep a personal collection of secrets.
Karen's Big Joke
by Ann M Martin
1992
Karen loves April Fools' Day and starts celebrating with tricks on her classmates. A new plan targets her whole big-house family, but taking her pranks beyond school raises the possibility that Karen herself will get the biggest surprise.
Karen's Ducklings
by Ann M Martin
1992
Learning about spring makes Karen especially interested in baby animals. When she finds a duck nesting outside her classroom, Karen and her classmates watch for the eggs to hatch and discover what it means to care for the new ducklings.
Karen's Kittens
by Ann M Martin
1992
Karen finds a stray cat in the toolshed and is delighted when it gives birth to five kittens. Naming them and sending birth announcements is fun, but finding a suitable home for every kitten becomes a much harder responsibility.
Karen's Pen Pal
by Ann M Martin
1992
Karen enjoys writing to a second-grader in New York until her pen pal's boasting makes her feel competitive. She invents impressive stories about herself, then faces trouble when the other class plans a visit that could expose her exaggerations.
Karen's Pumpkin Patch
by Ann M Martin
1992
Karen's father puts her in charge of the pumpkin patch, and she happily sells pumpkins while keeping an enormous one for herself. When someone begins smashing pumpkins around the neighborhood, Karen and her friends worry about protecting theirs until Halloween.
Karen's School Picture
by Ann M Martin
1992
Karen needs glasses just as school picture day approaches, but choosing pretty frames helps her feel grown up. Ricky's teasing changes that confidence into worry, leaving Karen to decide how to face him and her upcoming class photograph.
Karen's School Trip
by Ann M Martin
1992
Karen's class is learning about wild animals and eagerly awaiting a trip to the zoo. When flu spreads through the classroom, Karen worries that the outing will be canceled, while also fearing that the children might make the animals sick.
Karen's Secret
by Ann M Martin
1992
Natalie trusts Karen with an important secret, but Karen cannot resist passing it on. When Natalie discovers what happened, her anger leaves Karen facing the consequences of gossip and the challenge of repairing a friendship she has hurt.
Karen's Big Lie
by Ann M Martin
1993
Unprepared for surprise math quizzes, Karen copies answers from Ricky's paper. Denying it to her teacher and Hannie leaves her hiding a growing problem, afraid of what will happen if everyone discovers she has been cheating.
Karen's Big Weekend
by Ann M Martin
1993
Karen spends three exciting days in New York City, visiting sights and enjoying the holiday season. She intends to bring Hannie and Nancy wonderful gifts, but time runs short before she has bought them anything.
Karen's Doll Hospital
by Ann M Martin
1993
Karen is upset when her favorite doll, Hyacynthia, breaks a leg. Meeting a toy repairer gives her hope and inspires her to open a doll hospital of her own, turning an accident into a new project.
Karen's New Friend
by Ann M Martin
1993
Karen decides that new classmate Addie, who has cerebral palsy and uses a wheelchair, needs her as a best friend. Her constant attention soon threatens the friendship she hopes to build, challenging her assumptions about Addie's needs.
Karen's Newspaper
by Ann M Martin
1993
Inspired by a local editor, Karen and her friends start a neighborhood newspaper for children. Reporting secrets about the people around them seems exciting until angry neighbors make them face the consequences of what they print.
Karen's Pizza Party
by Ann M Martin
1993
Being chosen queen of Pizza Express gives Karen a crown, publicity and an inflated opinion of herself. When her classmates grow tired of her behavior, she plans a huge pizza party to try to win them back.
Karen's School
by Ann M Martin
1993
Karen starts a school to teach Andrew and his friends to read and write. Her enthusiasm becomes bossiness, and students who refuse lessons and homework soon go on strike, leaving their teacher with a difficult problem.
Karen's Snow Day
by Ann M Martin
1993
A snow day gives Karen time off school and an idea for earning money by shoveling. Taking on more work than she can manage turns her new business into a problem that requires help from her friends.
Karen's Surprise
by Ann M Martin
1993
Karen hopes to star in her class's Thanksgiving play but is cast as the turkey instead. Worried that everyone will laugh at her brief appearance in a brown suit, she starts planning a surprise of her own.
Karen's Toothache
by Ann M Martin
1993
Karen has a painful toothache but is too frightened to visit the dentist. Hoping it will disappear on its own leaves her facing a choice between avoiding the appointment and finding the courage to get help.
Karen's Tuba
by Ann M Martin
1993
Karen wants a flute when her class begins music lessons, but she receives a large tuba instead. Disappointed by both the instrument and its sound, she sets herself the challenge of becoming a skilled second-grade player.
Karen's Wedding
by Ann M Martin
1993
Karen is thrilled when Ms. Colman asks her to be flower girl at her wedding. The arrival of the teacher's niece makes Karen worry that her special role may disappear before she ever walks down the aisle.
Karen's Baby-sitter
by Ann M Martin
1994
Karen loves the winter adventures her new babysitter, Bart Taylor, plans for her and Andrew. Developing a crush on him makes an invitation to watch a video at his house seem like a possible date.
Karen's Big Top
by Ann M Martin
1994
Karen attends circus camp, eager to try costume making, animal training and tightrope walking. Befriending the circus owner's daughter introduces her to the harder side of a life spent traveling, beyond the excitement of performing.
Karen's Brothers
by Ann M Martin
1994
Karen's older brothers refuse to include her in their activities, leaving her furious about being left out. She decides to stop speaking to every male in her family, hoping her protest will make the boys regret their behavior.
Karen's Kite
by Ann M Martin
1994
Karen hopes her flying-fish kite will win the class's kite-flying contest. A quarrel with Natalie turns their classmates against her, forcing Karen to deal with damaged friendships while preparing to compete for the prize.
Karen's Magician
by Ann M Martin
1994
Karen and Andrew enjoy a magician's performance, until Andrew realizes his special penny has not been returned. Believing the coin has disappeared for good, he needs Karen's help to understand what really happens in a magic trick.
Karen's Mermaid
by Ann M Martin
1994
During a visit to Sea City, Karen tries to impress a bossy girl by claiming she has seen a mermaid. A mysterious note apparently from the creature complicates her boast and leaves her wondering what to believe.
Karen's School Bus
by Ann M Martin
1994
Karen is thrilled to start riding the school bus, but her excitement turns into an embarrassing bout of sickness. When other children begin teasing her, the journey she anticipated becomes something she dreads every day.
Karen's Stepmother
by Ann M Martin
1994
Spending more time at her father's house brings Karen new chores and unfamiliar rules. Trouble adjusting makes her blame her stepmother Elizabeth, threatening their relationship as Karen tries to understand her place in the busy household.
Karen's Twin
by Ann M Martin
1994
Audrey decides she and Karen should pretend to be twins, and Karen initially enjoys the idea. But Audrey's copying grows relentless, leaving Karen frustrated as her friend imitates her clothes, speech, and appearance rather than being herself.
Karen's Two Families
by Ann M Martin
1994
Karen and Andrew enjoy having two families but miss their father because they spend less time at his house. Wanting equal time with both parents, Karen looks for a way to change the arrangement.
Jump Rope Rhymes Pack
by Ann M Martin
1995
This activity book brings together jump rope rhymes about friendship, counting, and Karen Brewer's friends. Instructions cover double Dutch and group games, while space for readers' own rhymes lets them add new verses to their jumping routines.
Karen's Angel
by Ann M Martin
1995
Karen and Andrew choose an angel for the family Christmas tree, spending more than they expected. When the decoration breaks, they must find a replacement despite having no money left and little time before the holiday.
Karen's Big Sister
by Ann M Martin
1995
Karen feels jealous when her father gives Kristy a special pin and refuses to let Karen borrow it. Taking the heirloom without permission brings a worse problem when she loses it while playing in the snow.
Karen's Lemonade Stand
by Ann M Martin
1995
Karen moves her struggling lemonade business from outside her house to softball practice, where customers finally appear. Success takes her attention away from the game, angering Kristy and forcing Karen to balance sales with her team's needs.
Karen's Leprechaun
by Ann M Martin
1995
Karen and Andrew join the St. Patrick's Day parade, where a green-clad organizer claims to be a leprechaun. His tales of rainbows and hidden gold fascinate Karen, but believing them could lead her into trouble.
Karen's Little Witch
by Ann M Martin
1995
Karen believes Mrs. Porter's granddaughter Druscilla must be a witch, just like her grandmother. Convinced she needs protection, she devises a good luck spell, letting her suspicions turn an ordinary visit into an alarming encounter.
Karen's Monsters
by Ann M Martin
1995
Charlie builds a frightening monster for the Halloween parade, and Karen is uneasy around it. When the creature disappears, she thinks it has come alive and must help her stepbrother find it before the parade begins.
Karen's Movie
by Ann M Martin
1995
Karen decides to make a movie to cheer up her sick grandad, casting her friends in starring roles. Problems on the set soon leave everyone angry, and her kind gesture becomes a challenge to her friendships.
Karen's New Bike
by Ann M Martin
1995
Learning bicycle safety inspires Karen to enter a bike-a-thon, but her old bicycle is too small. After her father helps her get a new one, its theft sends her searching for the thief and her missing bike.
Karen's School Mystery
by Ann M Martin
1995
Karen and Addie proudly join the school safety patrol, eager to wear their badges and protect the halls. A string of thefts makes their new responsibility more difficult, and the friends set out to identify the culprits.
Karen's Ski Trip
by Ann M Martin
1995
Karen expects a ski trip to be fun, until learning to ski proves harder than she imagined. Seeing younger brother Andrew do better adds frustration, leaving her to decide whether she can keep trying and enjoy herself.
Karen's Tattletale
by Ann M Martin
1995
Karen teases Andrew after a preschool classmate tattles on him, only to become the target of his own complaints. As his tattling puts her in serious trouble, their sibling quarrel raises questions about fairness and trust.
Karen's Toys
by Ann M Martin
1995
Karen's mother and stepfather forbid toy guns, but she buys some for herself and Andrew to use at their father's house. Different rules across her two homes turn a new purchase into a problem about family boundaries.
Karen's Turkey Day
by Ann M Martin
1995
Karen looks forward to visiting grandparents and watching New York City's Thanksgiving parade. Grandad's illness and her parents' busy shop spoil those expectations, leaving her searching for a way to make the family holiday feel special.
Summer Fill-In Book
by Ann M Martin
1995
Readers can record summer trips, beach games, camp experiences, pool parties, and holiday celebrations in this fill-in activity book. Spaces for photographs, drawings, ticket stubs, and friends' autographs turn the pages into a personal collection of summer memories.
Karen's Big Fight
by Ann M Martin
1996
Karen's rivalry with David Michael intensifies when he changes schools and joins her class. Sharing both home and classroom makes their disagreements harder to escape, while the Thanksgiving season challenges her to consider her stepbrother's feelings.
Karen's Cartwheel
by Ann M Martin
1996
Karen loves gymnastics and hopes to join a special team reserved for the best students. She can manage a balance beam and a forward roll, but one missing skill threatens her chances: turning a cartwheel.
Karen's Christmas Tree
by Ann M Martin
1996
Karen and her friends plan to surprise an ailing neighbor with a Christmas tree. A huge argument leaves them refusing to speak, putting their generous holiday project at risk just when working together matters most.
Karen's County Fair
by Ann M Martin
1996
At farm camp, Karen enjoys vegetables, crafts and baking, but caring for Ollie the lamb means the most to her. She decides to enter him in the county fair, determined despite everyone else's doubts about winning.
Karen's Dinosaur
by Ann M Martin
1996
Karen looks forward to visiting New York City, meeting her pen pal Maxie and seeing dinosaur bones at the museum. Her stepbrother David Michael resents being left out, and their argument threatens to spoil the trip.
Karen's Grandad
by Ann M Martin
1996
Karen is glad her grandparents are staying at the little house, but Grandad's illness keeps him indoors. She reads with him to lift his spirits, then grows frightened when his condition becomes much more serious.
Karen's Half Birthday
by Ann M Martin
1996
Teased for being the youngest in her class, Karen decides turning seven and a half deserves a party. Half a cake and halfway games make the celebration unusual, as she tries to prove she's growing up.
Karen's Island Adventure
by Ann M Martin
1996
On a tropical island vacation, Karen enjoys caves, seashells and snorkeling with her family. Her new friend Sandy seems sad and withdrawn, so Karen tries to help her share the adventures that make the trip exciting.
Karen's Magic Garden
by Ann M Martin
1996
A family reunion in Maine introduces Karen to her cousin Diana and an old house waiting to be explored. Discovering and restoring a hidden garden brings them closer, while special experiences leave them wondering about its magic.
Karen's School Surprise
by Ann M Martin
1996
Karen's class is invited to appear on School Stars, a television quiz show mixing school questions with silly stunts. Karen and her friends practice eagerly, hoping their teamwork will be enough to win the grand prize.
Karen's Softball Mystery
by Ann M Martin
1996
Equipment vanishes from Kristy's Krushers' practices, and pages disappear from Kristy's notebook. Karen suspects someone is interfering with the softball team and joins her friends to investigate before the mystery harms their chances on the field.
Karen's Tea Party
by Ann M Martin
1996
Bad table manners send Karen and David Michael to charm school. Karen enjoys dressing up and dancing, but the boys' continued rudeness inspires her to arrange a girls-only tea party and teach them a lesson.
Playground Games
by Ann M Martin
1996
Karen and the Little Sister world introduce more than thirty playground games with rules and step-by-step instructions. Ball games, hopscotch and string activities give children ideas for playing together and learning familiar games with their friends.
Book of Laughs
by Ann M Martin
1997
Karen shares favorite jokes, riddles, pranks and games in this activity collection. Silly songs, unusual snacks and costume ideas help children plan their own funny party, with activities built around laughing and joking together.
Karen's Accident
by Ann M Martin
1997
Karen ignores her mother's warning and climbs into a dangerous treehouse, then slips and falls. Rushed to the hospital for an operation, she has to face frightening unfamiliar experiences and find the courage to be brave.
Karen's Big Job
by Ann M Martin
1997
Karen spends Take Our Daughters to Work Day visiting her stepmother's office and her father's workplace. Answering phones and making copies seem exciting, but long meetings make her wonder whether school might be more fun after all.
Karen's Bully
by Ann M Martin
1997
Bobby Gianelli makes Karen miserable at school, calling her names and spoiling recess. When she learns that he's moving into her neighborhood, she worries that escaping his bullying will become even harder and decides to fight back.
Karen's Bunny
by Ann M Martin
1997
Karen and Andrew receive live bunnies from their grandmother for Easter, despite their parents' rule against more pets. Keeping their new animals becomes a problem when the rabbits start chewing things and getting into trouble at home.
Karen's Candy
by Ann M Martin
1997
Karen, Hannie and Nancy enter a candy-selling contest as the Three Musketeers. Another team starts taking their customers, turning a friendly competition into a candy war that puts their plans to win under increasing pressure.
Karen's Haunted House
by Ann M Martin
1997
Karen's class transforms a house into a spooky attraction for Halloween. Decorating is fun until strange noises and mysterious tricks make the children wonder whether their pretend haunted house has become the real thing after all.
Karen's New Puppy
by Ann M Martin
1997
After Midgie runs away, Karen's family gets a new puppy named Sadie. Karen loves her sweet new pet, but caring for a puppy takes work, especially when Sadie has trouble getting along with the other animals.
Karen's Pilgrim
by Ann M Martin
1997
A family visit to Plimoth Plantation gives Karen souvenirs and ideas for her Thanksgiving report. She's excited to share what she's learned, but a classmate's determination to spoil her project threatens to ruin all her preparations.
Karen's Pony Camp
by Ann M Martin
1997
Karen, Nancy and Hannie attend pony camp, where Karen hopes to enjoy riding Blueberry. Older campers tease them, and Nancy is frightened of riding. With Hannie having the most fun, Karen's dream holiday becomes much more complicated.
Karen's Puppet Show
by Ann M Martin
1997
Upset that Hannie and Nancy won't join her at art camp, Karen creates puppets that make fun of her friends. When they buy tickets to her show, she must face the consequences of turning her hurt feelings into entertainment.
Karen's Secret Valentine
by Ann M Martin
1997
Karen is assigned her rival Pamela as a secret valentine and tries to be kind. But mean messages that Karen didn't write create confusion, leaving her caught in a Valentine's Day mix-up that threatens to worsen their relationship.
Karen's Sleigh Ride
by Ann M Martin
1997
When the Stones lose their barn in a fire and can't afford to rebuild, Karen plans a Winter Festival to raise money. Sleigh rides could help, but getting everything ready before Christmas becomes a challenge.
Karen's Telephone Trouble
by Ann M Martin
1997
Karen spends so much time talking on the telephone that she ties up the line and forgets messages. Her father sets limits, but sneaking extra calls only creates more trouble as she struggles to follow his rules.
Karen's Treasure
by Ann M Martin
1997
Karen discovers an old treasure map in the backyard and imagines finding something wonderful. Following its clues proves harder than she expects, so she turns to Kristy for help with a search that keeps raising new questions.
Karen's Unicorn
by Ann M Martin
1997
A visiting circus advertises a real unicorn, and Karen believes that seeing it could make her wishes come true. Her classmates are doubtful, but Karen holds on to her hopes as she waits for the circus.
Karen's Big City Mystery
by Ann M Martin
1998
During a month in Chicago with her little-house family, Karen learns that paintings have been stolen from their building. She collects clues and suspects, turning an unfamiliar city into the setting for her own detective work.
Karen's Big Move
by Ann M Martin
1998
Karen moves to Chicago for six months with Mommy, Andrew and Seth. She wants to stay close to her little-house family, but leaving school, friends and her big-house family makes enjoying the new city a challenge.
Karen's Black Cat
by Ann M Martin
1998
Karen imagines adopting a pumpkin-colored kitten for Halloween, but her family chooses a black one instead. Disappointment and concern for their older cat, Boo-Boo, leave her wondering how to welcome a pet without neglecting another.
Karen's Book
by Ann M Martin
1998
Bored while everyone at the big house is busy, Karen decides to write a book about herself. Conversations with Mommy and Daddy fill gaps in her memories, but turning those stories into a whole book is another challenge.
Karen's Chain Letter
by Ann M Martin
1998
Karen wants unusual stamps for her collection, so a chain letter promising postcards and good luck seems perfect. Answering it raises problems she did not expect, turning an exciting collecting opportunity into a difficult lesson.
Karen's Christmas Carol
by Ann M Martin
1998
Karen and Andrew both join a production of A Christmas Carol, but Andrew gets the larger role. Karen's pride in her brother gives way to jealousy, making it hard to treat him kindly during the holidays.
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