Rotten Ralph Books in Order

Sarah adores her very, very nasty red cat, even when he breaks rules and ruins everything. After his behavior goes too far and he lands with the circus, Ralph faces the faint possibility of learning a lesson.

Sarah decides Ralph's rotten days are over and tries to turn him into a neat, proper pet. Ralph hates every frilly improvement, and the struggle over who gets to define good behavior is the whole joke.

Sarah needs help with a school project on ancient Egypt, and Ralph is eager to volunteer. His library disasters, homemade hieroglyphics, and over-the-top ideas only make more work, until he stumbles into a surprisingly good solution.

When sweet, perfect Percy shows up for Christmas, Ralph is consumed with jealousy. He sabotages stockings, presents, and holiday cheer, mostly because he is afraid Sarah loves the other cat more.

Halloween gives Ralph a costume, a pile of candy, and endless opportunities to be impossible. Sarah tries to keep the fun friendly, but Ralph treats the holiday like a license for mayhem.

Sarah brings Ralph to school for show and tell and hopes he will finally cooperate. Instead he wrecks her plans, mangles the lesson, and turns the classroom into a showcase for bad behavior.

Ralph becomes convinced everyone has forgotten his birthday, and his feelings quickly turn rotten. The celebration that follows is full of his usual troublemaking, plus a rare hint of wounded pride.

Sarah tries to prove Ralph can behave, especially with perfect cousin Percy nearby to make him look bad. The harder Ralph is pushed toward goodness, the more spectacularly he resists.

Valentine's Day is sweet, sentimental, and exactly the kind of thing Ralph hates. He fights back with garbage, ruined treats, and appalling manners, while Sarah keeps insisting he has a loving side.

Sarah is nervous about starting school and making new friends, and jealous Ralph wants no part of it. When he follows her to class in disguise, her first day goes spectacularly wrong before it goes right.

The cat show is coming, and Ralph is desperate to beat his perfect cousin Percy. Sarah tries to train him into a polished champion, but Ralph only starts to shine when he stops pretending to be anything but himself.

Halloween gives Ralph everything he loves, costumes, noise, and a fresh chance to misbehave. Sarah tries to keep the night on track, but Ralph turns spooky fun into one more gleeful mess.

Ralph tries to be nice long enough to impress Santa, but Christmas decorations only create more chances for trouble. It is a playful holiday romp built around Ralph's worst instincts.

Ralph has his eye on the feast and very little patience for manners. As Sarah tries to steer the holiday in a kinder direction, this Thanksgiving story turns gratitude into one more comic battle of wills.

A wedding should be all flowers, cake, and good behavior, which makes it a perfect disaster zone for Ralph. Sarah wants a beautiful day, but her rotten red cat has other ideas.

A carnival brings prizes, competition, and far too much temptation for shortcuts. Ralph keeps trying the wrong way first, and his usual laziness makes the lesson hit harder and funnier.

Ralph turns down Sarah's healthy dinner in favor of trash-can feasts, and the junk food catches up with him fast. His usual rotten habits suddenly feel a lot less funny when he gets truly sick.

Reckless as ever, Ralph tears from one scrape to the next until Sarah starts wondering whether even a cat with nine lives can keep this up. It is a bright, funny picture book about chaos, close calls, and a cat who never learns for long.

Sarah works hard for baseball tryouts, while Ralph skips straight to dreaming about fame. His showboating turns the game upside down, and only a last burst of effort gives this rotten cat a chance to help.

Fed up with Sarah's rules, Ralph runs away to find the cat family that never asked him to change. His trip down memory lane is funny and chaotic, but it also shows what home really means.