Ann M Martin Books in Order

Karen and her two best friends form a detective agency and begin looking for mysteries to solve. Their work becomes personal when Karen's pet rat, Emily Junior, disappears, giving the young investigators their most important case.

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 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 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 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 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 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.

A heart attack prompts Kristy's stepfather Watson to leave work and adopt a calmer life at home. Nannie's departure, sick family members, and visiting Karen and Andrew make his new routine far less peaceful than anyone hoped.

A Stoneybrook history book introduces Kristy to Christina Thomas, a young heiress who disappeared long ago. The shared surname makes Kristy wonder about a family connection, drawing the Baby-sitters into a search for a missing fortune.

Mallory already dreads gym class because she feels clumsy, and learning that boys will join makes it worse. Facing embarrassment in front of classmates, she must find a way to cope with the school subject she most dislikes.

Mallory persuades her family to celebrate an old-fashioned Christmas, then the Pikes win money to have it filmed. A camera crew turns their baking and decorating into chaos, threatening the simple holiday she wanted to create.

The Baby-sitters organize a summer day camp with art, outings, and a circus show. At home, her father's business trip leaves Mary Anne with Dawn and Sharon, whose relaxed routines make her feel unsettled and left behind.

Mary Anne looks forward to working with her friend Amelia on an English project, then learns Amelia has died in an accident. Struggling with grief, she searches for a meaningful way to remember her classmate.

A science assignment takes Mary Anne and the Baby-sitters to Bedford Zoo to observe animals. When someone begins letting creatures out of their cages, an exciting school project becomes a mystery that could put animals and visitors at risk.

Estranged from the Baby-sitters Club, Stacey spends time with Robert's friends and enjoys her new social life. Their behavior at a concert brings trouble, making her question whether these friendships offer the belonging she hoped to find.

Stacey helps organize a Halloween dance at Stoneybrook Middle School while strange incidents spread through the building. Pranks and rumors complicate the preparations, leaving her and the Baby-sitters trying to uncover what is happening before the masquerade.

Stacey's boyfriend Robert and new friends begin to matter more than the Baby-sitters, who suddenly seem immature. Divided loyalties affect her responsibilities, forcing her to consider whether keeping her new life means leaving the club.

Stacey is proud when her father receives a promotion and invites her to a celebratory dinner. Her mother's illness pulls her in another direction, making life between her divorced parents feel like a choice she cannot satisfy.

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.

Nancy Dawes worries about starting second grade without a best friend in her class. When Ms. Colman announces Pet Day, Nancy faces another problem: she has no animal to bring, making the coming week feel even harder.

Emma and Ben visit a construction site where a foreman explains how heavy vehicles work together to build a school. Bulldozers, loaders, dump trucks, and other machines show young readers the different jobs needed to complete the building.

New club member Abby juggles school, babysitting, and worries about her family's move to Stoneybrook. An asthma attack during a job makes Kristy question her reliability, leaving Abby determined to prove she belongs with the Baby-sitters.

Helping a new country club open introduces Abby and the Baby-sitters to its predecessor's ugly history. A secret society and a reporter's suspicious death draw them into an investigation of people who may still have something to hide.

Abby and Anna prepare for their Bat Mitzvah, but Abby's suspension for suspected cheating threatens the celebration. Keeping the incident from her mother and refusing to explain what happened make the responsibilities of turning thirteen harder to face.

Most of the Baby-sitters travel to Hawaii on a school trip and gather memories for Mallory, who stays home. Commercial filming, beach cleanup, and a dangerous helicopter ride turn their week away into more than sightseeing.

Ricky eagerly awaits a visit from his favorite author to Ms. Colman's class. An embarrassing reading mistake changes his excitement into dread, and the prospect of sharing his own story makes Author Day feel frightening instead of fun.

A school visit to Salem leads the Baby-sitters into the theft of a famous diamond called the Witch's Eye. Threats, a ransacked room, and Kristy's disappearance make the investigation dangerous, whether or not the stone is cursed.

Leslie longs to play Alice in her class production of Alice in Wonderland, but Karen wins the role. Disappointed and jealous, Leslie considers sabotaging the show, putting her classmates' work and her own friendships at risk.

The Hatt family returns to Stoneybrook after disappearing years earlier amid strange events at the old lighthouse. When they stay with the Kishis, Claudia grows curious about the past they have brought back and the secret they may be keeping.

Claudia's academic struggles lead the school to send her back to seventh grade. Separated from the Baby-sitters in her classes, she must adjust to new classmates while dealing with embarrassment and the feeling that she has failed.

Visiting Stoneybrook, Dawn babysits for a family divided over an eccentric relative's will and hidden treasure. Hoping to end the feud while solving the inheritance mystery, she must fit the investigation into her limited time before returning to California.

Jessi eagerly anticipates Christmas and celebrating Kwanzaa with visiting relatives. A car accident injures her baby brother Squirt, turning festive preparations into a difficult period when the family must find ways to support one another.

Jessi joins classmates in mocking shy teacher Mr. Trout, despite knowing their jokes may be unkind. Agreeing to a larger prank forces her to confront the hurt it causes and her responsibility for going along with the group.

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 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 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.

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 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 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.

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.

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.

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 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.

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.

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.

Kristy enjoys spending time with Bart at dances and movies, but his growing interest turns their friendship into a question she isn't ready to answer. She must work out whether she actually wants a boyfriend.

Karen idolizes Kristy and copies everything her older stepsister does. When Kristy makes a serious mistake, keeping Karen's admiration becomes more complicated, forcing Kristy to consider what being a role model really asks of her.

Cary Retlin challenges the Baby-Sitters Club to solve eight clues in six days, promising to stop his pranks if they succeed. Real vandalism at school complicates the game, raising doubts about who is behind the damage.

Kristy tackles a school autobiography assignment with enthusiasm, eager to write about her favorite subject: herself. Looking back brings funny memories, family changes and painful moments together in a portrait of the Baby-Sitters Club's energetic president.

A homeless black-and-white cat wanders into a Louisville churchyard and begins making himself at home. Based on a real cat, this picture book follows Leo as he wins over children, church members and the surrounding community.

New baby-sitting charge Luke Martinez seems frightened and distrustful after a fire damages his family's home. With a development threatening the neighborhood and Luke apparently hiding something, Mary Anne investigates what he saw and why he stays silent.

A school autobiography assignment sends Mary Anne searching through childhood memories and friendships. Remembering life without her mother, a kindergarten Mother's Day tea and her wish for glasses helps her tell the story of growing up.

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.

Natalie dislikes being called a baby by her classmates, but sending her beloved teddy bear around the world is frightening. A class project gives her a chance to help everyone learn while testing her own courage.

Stacey loves the high pay and sense of achievement that come with sitting for the Cheplins. As their demands expand into extra chores, the job begins crowding out club meetings, family plans and time with friends.

A week of baby-sitting in New York should be exciting, but Robert's strange behavior leaves Stacey worried about their relationship. Away from home, she tries to decide whether his secrecy means he is seeing someone else.

A homeless cat wanders into a church garden and becomes a familiar companion to the congregation. Based on a real cat, this picture book follows Leo's place in a community whose children and adults come to care for him.

Abby arrives home to find a baby abandoned on her front porch. Her family cares for the child while the authorities search for his parents, leaving Abby determined to understand why someone chose the Stevenson house.

Abby expects to shine on her new Special Olympics Unified Sports soccer team, but Erin proves just as skilled. Their rivalry turns into ball-hogging and withheld passes, threatening the teamwork that brought them together in the first place.

Writing her school autobiography makes Abby an official part of Stoneybrook Middle School, but recalling the past proves difficult. Family photographs bring painful memories alongside happier ones as she works out how to tell her own story.

Thirteen-year-old Amalia manages a band and dates its older guitarist, James. His jealousy first seems flattering, then starts cutting her off from friends and family, leaving her questioning whether his possessiveness has anything to do with love.

The Baby-Sitters Club's Christmas plans become tangled in unsettling mysteries, including trouble in Stoneybrook and a trip to New York. Holiday celebrations take on a frightening edge as the friends try to understand the strange events around them.

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.

The Baby-Sitters Club sets off across America in two RVs, taking northern and southern routes toward California. Each passenger chooses a stop, turning the journey into a shared adventure through cities, landmarks and unexpected destinations.

Claudia hears that her friend Rebecca's grandmother destroyed her famous paintings before she died. Doubting the story, Claudia searches for the truth about the missing artworks, drawn into a mystery where her knowledge of art may help.

Claudia finally enjoys seventh grade, with good marks, new friends and boyfriend Mark. An offer to return to eighth grade divides her friends' opinions and leaves her weighing familiar friendships against the life she has just built.

Back in California, Dawn reunites with old friends while her eighth-grade classes move into the high school. Keeping a journal helps her face changing friendships and new social pressures as she tries to discover where she belongs.

Mallory eagerly enrolls in a children's literature class, only to find that Mr. Cobb gives the boys more attention. Her favorite subject becomes frustrating, and she must decide how to challenge the unfairness without giving up.

Ms. Colman's class looks forward to dressing up for the Halloween parade, but the expected costumes fail to arrive. The children face a disappointing change of plans and must find another way to enjoy their celebration together.

Two weddings keep the Baby-Sitters Club busy on opposite coasts: Dawn's father marries in California, while Mrs. Barrett plans her ceremony in Stoneybrook. Bridesmaid duties and baby-sitting jobs make the celebrations exciting, complicated and full of work.

Ms. Colman's students cooperate on holiday projects until new student Pamela disrupts Sara and Audrey's friendship. The season's shared activities become harder to enjoy as the girls face tensions over where their loyalties and friendships belong.

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 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.

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 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, 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 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.

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.

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, 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.

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 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.

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 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 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.

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.

Child actor Derek Masters invites Kristy and three fellow baby-sitters on a mystery train promoting his movie. The pretend adventure becomes unsettling when someone tries to sabotage the trip, leaving the friends facing a mystery with real danger.

Kristy baby-sits Shannon Kilbourne's younger sisters, Tiffany and Maria, who resent their busy older sister. At first Kristy sympathizes, but their plans to make Shannon's life difficult leave her trying to bring peace to the family.

Thirteen-year-old Maggie Blume excels at school, but her controlling father has plans for her future that leave little room for music. Joining a band creates a painful choice when an important performance clashes with her father's movie opening.

While helping her grandparents clean up after a flood, Mary Anne discovers a hidden package containing a music box. Her grandmother says it isn't hers, and strange events send Mary Anne and her friends searching for its history.

Mary Anne takes a first-aid class with the Baby-Sitters Club but worries that she couldn't handle a real emergency. Meanwhile, Logan's parents consider boarding school for him, adding another fear as she tries to build her confidence.

Kristy's brother Charlie becomes distracted by his new girlfriend, Angelica, while helping with the Krushers' softball clinic. Kristy tries to reunite him with his former girlfriend, Sarah, but Charlie wants her to stay out of his business.

Bobby's group plans a science fair project around Harriet, a pregnant mouse. When Harriet disappears, the project is in danger, and Bobby faces his classmates' accusations as the children try to work out what happened.

Snow forts and snowball battles seem like winter fun to the children in Ms. Colman's class. But the competition turns mean, leaving Ian determined to stop the fighting before their snowy playground becomes a place of lasting grudges.

Stacey gets the chance to model during Fashion Week at Bellair's department store. Threatening notes and suspicious accidents soon overshadow the excitement, and she needs to discover who is behind them before the situation gets worse.

Stacey joins the Mathletes and enjoys putting her talent for numbers to work. Then her father gives her concert tickets for the night of the championship, forcing her to choose between a special outing and her team's needs.

Stacey thinks new student Tess Swinhart needs help fitting in and decides that a makeover is the answer. Tess doesn't welcome her advice, leaving Stacey frustrated as her efforts to make a friend become increasingly intrusive.

Audrey looks forward to day camp, with its books, plays and sing-alongs. But her best friend Sara won't be there, so enjoying the activities means finding the courage to meet other children and make new friends.

Sunny Winslow avoids facing her mother's cancer by skipping school and spending time at Venice Beach. Meeting Carson, a runaway with troubles of his own, complicates her escape as her family and friendships become harder to deal with.

Mary Anne overspends on Christmas presents using her father's credit card, and baby-sitting won't cover the bill. She secretly takes a job as a store elf, trying to earn enough money before her father discovers what happened.