Most Popular Books by Ann M Martin

A school assignment gets the Baby-Sitters thinking about their past in this entry in the classic hit series. The teachers at SMS have assigned homework to do over the summer. How Mean! Plus, the essay topic is so boring: What I Did This Summer. If Kristy were teacher, she'd choose something much more interesting. Like writing about your most vivid memory. Which gets the Baby-sitters thinking . . . The best friends you'll ever have—with classic BSC covers!

Kristy looks for a way to help a little girl with autism in this special entry in the classic hit series. Kristy's newest baby-sitting charge is Susan Felder, who goes away to a special school. Susan isn't like most kids. While she can play the piano and sing beautifully . . . she can't talk to anyone. Susan is autistic. She lives locked inside her own secret world. Kristy thinks it's unfair that Susan has to be sent off to school and is treated differently from everyone else. But Kristy's going to try to change that—by showing everyone that Susan's a "regular" kid, too. And then maybe Kristy's new friend can stay in Stoneybrook for good. The best friends you'll ever have—with classic BSC covers and a letter from Ann M. Martin!

Even though Cokie has never been nice to Mary Anne, Mary Anne has always been nice to Cokie. But this time Cokie's gone too far--and Mary Anne is going for revenge, with a little help from her friends.

Claudia is convinced that no one understands how difficult it is for her to do well in school, that is, until she meets Shea Rodowsky, a young boy with a learning problem.

Valentine's Day is Abby's least favorite holiday. Mushy stuff like valentines, red hearts, and a school dance turn her into a Valentine's Scrooge. When Ross Brown, a perfectly nice guy in Abby's English class, invites her to the dance, Abby tries to set him up with her twin sister, Anna.

Haley Braddock has never given the BSC much of a hassle before. But now she's out of control! After Claudia catches Haley in a lie--and Haley gets grounded for it--this formerly quiet BSC charge turns against Claudia in a big way...

Claudia's grief over her grandmother Mimi's death goes unexpressed-- leaving Claudia unable to move forward with her life--until she pours out her emotions to her sister and learns to see beyond her pain.

When Mary Anne tries to get Jenny Prezzioso, a fussy little girl known as "Miss Priss," to join a kickball team, she faces opposition from the kids and from Jenny, who does not want to play.

Claudia and the Baby-Sitters investigate after she's accused of cheating in this whodunnit from the charming hit series. For once, Claudia's studied really hard for her math test. And when she gets her paper back, it has an A- on it. All right! But then Claudia's math teacher calls her to his desk and accuses her of copying off of Shawna Riverson's test. Claudia can't believe it, and neither can the Baby-sitters. Claudia would never cheat! And they're not going to rest until they help clear Claudia's name! The best friends you'll ever have—with classic BSC covers and a letter from Ann M. Martin!

Accompanying young child star Derek Masters aboard the "mystery train" that is publicizing his newest movie, Kristy, Abby, and Stacey fend off a saboteur who is staging dangerous accidents.

From the bestselling author of the generation-defining series The Baby-sitters Club comes a series for a new generation! A difficult guestKaren’s favorite cousin is coming to visit. Karen will bring her to an Easter egg hunt and even to the Easter parade! She plans to be the best host ever. But it is not so easy. Diana wants to do things that will get Karen in trouble. Karen wants to stop her. But can she do it without ruining their visit -- or ruining Easter?

Difficult decisions of love and loyalty.

Karen is understandably disappointed when the part she is given in the school's Thanksgiving pageant is that of the turkey, so she concocts a plan to win everyone's attention.

Claudia is doomed. Her teachers want her to retake an entire year of school. Her parents are going to go absolutely crazy. But, worse still, how can she possibly retain her reputation as the coolest kid in Stoneybrook if she has to hang out with seventh-graders?

When Kristy sees how much her little brothers and sister want to play on a softball team, she starts a rag-tag team of her own. Baby-Sitters Club #20.