From the bestselling author of the generation-defining series The Baby-sitters Club comes a series for a new generation! The spiesKaren and Addie are elected to the safety patrol. Karen is so proud to wear her badge and keep the halls safe. But uh-oh. Things are being stolen all over the school. Can Karen and Addie catch the thieves?

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

From the bestselling author of the generation-defining series The Baby-sitters Club comes a series for a new generation! Karen the spyFor New Year’s Eve, Karen thinks everyone should make a promise. Hannie is going to stop biting her nails. Kristy promises not to talk to her boyfriend on the phone so much. And Karen makes the most promises of all--nine! But pretty soon, everyone starts breaking their promises. And her brothers and sisters are calling Karen a spy! Poor Karen. Why is everyone being bad except her?

From the bestselling author of the generation-defining series The Baby-sitters Club comes a series for a new generation! Say Cheese!Karen has to get glasses -- two pairs One pair for reading and one for all the time. Karen does not want glasses. Her school pictures are going to be taken soon! But Karen has to...so she picks out some pretty pink and blue ones. Karen thinks she looks very grown-up. Then Yicky Ricky at school calls her Four-eyes. If Karen wears her glasses for the school picture, Ricky will make fun of her. But Karen is not a wimp! Glasses or no glasses -- that Ricky is going to get it!

From the bestselling author of the generation-defining series The Baby-sitters Club comes a series for a new generation! Swimmers, take your marks!Karen has joined the swim team! She loves dreaming about winning medals and learning to swim fast. But mostly she likes to have fun with her swim team friends. Then the coach starts acting mean. He says the team is not working hard enough. Can Karen find a way to be a winner and have fun too?

From the bestselling author of the generation-defining series The Baby-sitters Club comes a series for a new generation! "Haunted Birthday to you!"Karen thinks there’s a ghost in her house! But she’s never really seen the ghost of Old Ben Brewer--until now. Karen and her stepsister Kristy have found out that Ben Brewer and his spooky friends are going to have a birthday party in her attic on Halloween night! It used to be fun having a ghost around. But now Karen’s not so sure!

From the bestselling author of the generation-defining series The Baby-sitters Club comes a series for a new generation! Good-bye, Stoneybrook!Karen is moving to Chicago for six months, with Mommy, Andrew, and Seth. Karen wants to be with her little-house family. But leaving her big-house family will be hard. And Karen will miss her friends and her school a lot too. She will try her best to like Chicago. But what if she misses Stoneybrook too much?

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!