From the bestselling author of the generation-defining series The Baby-sitters Club comes a series for a new generation! Dear Maxie...The kids in Ms. Colman’s class are writing letters to some second-graders in New York City. Karen thinks having a pen pal is so, so cool. But then her pen pal turn out to be a big bragger. Mazie says she is better than Karen at everything. This makes Karen so mad. So she starts making things up. But now Mazie’s class is coming to visit. And Karen is in gigundo trouble!

Karen brags to her new pen pal, Maxie, about the castle she lives in and her eight best friends, but she finds herself in trouble when Maxie comes to visit.

From the bestselling author of the generation-defining series The Baby-sitters Club comes a series for a new generation! Lions and tigers and bears oh my!Karen’s class is studying wild animals. They are going to see some at the zoo. Karen and her friends can’t wait for their field trip. But then the "mean green bug" hits Ms. Colman’s class. Everyone is getting the flu! Karen hopes the school trip doesn’t get canceled. But she doesn’t want to give the animals the bug, too!

From the bestselling author of the generation-defining series The Baby-sitters Club comes a series for a new generation! Hooray for spring!Karen’s class at school is learning all about spring. They are planting flower seeds. They are even writing poems about the season. But more than anything, Karen loves reading about animal babies that are born in the spring. Then Karen finds a duck outside the classroom. The duck is sitting on a nest of eggs. Karen can’t wait for the ducklings to be born. Having baby animals is much more fun than reading about them!

From the bestselling author of the generation-defining series The Baby-sitters Club comes a series for a new generation! Dear Karen Brewer:Karen has started collecting stamps. She wants some special new ones, but the mail just brings the same old kind. Then Karen gets a chain letter. It promises good luck and piles of postcards -- if Karen answers quickly. Piles of postcards means piles of stamps, right? And good luck -- what could be wrong with that? Karen wants to link up with this chain letter right away!

From the bestselling author of the generation-defining series The Baby-sitters Club comes a series for a new generation! 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?