Ann M Martin: 441 books

When Kristy and her friends head to the nation's capitol for a debate trip, they expect to see some great sites. What they don't expect is to be part of a big mystery involving a kidnapping. . .

Joining the Mathletes and feeling confident after her first math meet triumph, Stacey is troubled when her father gets tickets to a huge rock concert on the same night of the Mathletes championship.

Mallory discovers that the terrible twins she babysits on a regular basis are not really bad-- they just want to be treated as individuals.

Write on! Everybody in the big house is busy. And Karen is b-o-r-e-d. She tries to read a book. But then she has a better idea! She will write her own book! It will be about her life. She does not remember everything about being little. So she talks with Mommy and Daddy. They tell Karen all the funny things she did. Can Karen write a whole book?

Getting so excited about riding on the school bus for the first time that she gets sick in front of everyone, Karen starts avoiding the bus and the teasing older kids, until the driver offers to help.

Stacey's vacation is full of mishaps when she tells one litle lie which leads to another and another and another.

Hired for a week-long baby-sitting job in New York City, Stacey finds her enthusiasm quelled by her boyfriend's strange behavior, and begins to fear that he may be seeing another girl.

Incensed by her pen pal Maxie's lies about herself, Karen begin making things up about her own life, but with Maxie's class coming to town for a trip, Karen knows that she will have to face her pen pal and tell her the truth.

From the bestselling author of the generation-defining series The Baby-sitters Club comes a series for a new generation! What a catch! Karen and her big-house family are going to Shadow Late -- and Nancy and Hannie are coming too! There is so much for the Three Musketeers to do. They can tell stories...

When Lou McNally was last in Stoneybrook, she was the Worst Kid Ever. Now she's back...and Abby is going to be her baby-sitter. She's prepared for the worst, but Lou is a perfect angel. Is the new Lou too good to be true?

Hello, this is Karen Brewer Karen loves to talk on the phone. But Karen’s family is mad. Karen is tying up the line. And she forgets to take messages. So Daddy makes phone rules for Karen. But Karen sneaks phone calls anyway. And soon she is in a huge mess.

Stay away, spots! Halloween is coming! There will be a party at school. and Karen, Hannie, and Nancy have planned the best costume ever. Then Karen’s little sister gets the chicken pox. It is very contagious. Karen does not want to catch chicken pox. If she does, it will ruin Halloween. And that would be really scary!

Karen loves solving mysteries. SHe even starts her own detective agency with her best friends, Nancy and Hannie. As head detective, Karen knows how to use a special Decod-R ring and how to dust for fingerprints. Being a detective is gigundo fun. But now Karen’s pet rat, Emily Junior, is missing! Can Karen solve her toughest case yet?

Mary Anne and Stacey are in Sea City working as mother's helpers for the Pike family. When each of the girls meets up with her boyfriend from last summer, things start to get complicated.