Ann M Martin: 441 books

Whiled cleaning up Granny and Pop-Pop's basement, Mary Anne stumbles upon a tightly wrapped package that contains a surprising secret from the past.

Claudia and Stacey have been fighting over a boy. Now it's Claudia's chance to finally get him - and maybe save her friendship with Stacey.

Landing new clients -- an eccentric and feuding family -- Dawn learns that they are searching for a treasure that will settle a tricky will left by the late patriarch, and hopes to solve the mystery before the end of summer.

While helping restore an abandoned country club, Abby and the Baby-sitters Club become entangled in a decades-old murder mystery involving a secret blackmailing ring that was once based there.

A new passion for photography has Claudia snapping pictures everywhere she goes, including the Stoneybrook Bank, and when it is discovered that a robbery took place at the bank on the very same day, Claudia thinks her photos may contain evidence.

Stacey and Claudia never dreamed anything could threaten their best friendship. But when they both fall for the same boy, the biggest rivalry in BSC history begins.

Claudia and Stacey aren't speaking to each other. Why should Claudia make up with a 'friend' who steals her boyfriend? It's the biggest feud in BSC history!

Claudia's loving the October weather and her many friends, both in school and in the BSC. But when she throws a party to bring her two groups of pals together, she creates more problems than she solves.

It's the biggest crime in Stoneybrook history--one of the town's mansions is missing! Kristy & Co. are hot on the trail of the Cat Burglar, who left his sign at the scene of the crime.

After a thrilling three-week dance program in New York City, Jessi is invited to join the Dance NY education program full-time. Is she ready to leave Stonybrook and all her friends behind?

When Claudia's wacky Aunt Peaches moves to Stoneybrook, full of fun and expecting a baby, Claudia thinks she will have the time of her life, until one of Peaches's antics gets Claudia in trouble and a fight ends in tragedy.

Worrying about her stepfather after a heart attack forces him to quit his job for a less stressful lifestyle, Kristy wonders if Nanny's departure, an outbreak of the flu, and the arrival of Karen and Andrew will disturb the peace.

Stuck at home sick, Abby passes the time at her window snooping on the neighbors with her binoculars. It pays off when she spots a criminal just profiled on the "Mystery Trackers" TV show!

When Claudia is told that her friend Rebecca's grandmother burned all of her own famous artworks before she died, Claudia is suspicious and sets out to find the real truth.