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! 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! Who stole the paintings?Karen is visiting her little-house family in Chicago for a whole month! She wonders what she will do there. Then there is a robbery in the building. Now Karen has a mystery to solve! She makes a list of suspects. She looks for clues. And soon she thinks she knows who the burglar is.Can Karen crack the case?

From the bestselling author of the generation-defining series The Baby-sitters Club comes a series for a new generation! Whodunit?Karen loves playing on her big sister's softball team, Kristy's Krushers. But then Karen sees strange things going on at practices. Softball gloves and bats are disappearing. Pages are missing from Kristy's notebook. Who is doing this? And why? Karen and her friends are going to try to find out. Can they save Kristy's Krushers?

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! "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! Karen the SpyNancy’s family has hired somebody to take care of their house while they are on trip. Karen wants to make sure he is doing a good job. So she watches him closely. And she catches him snooping around! Karen is pretty sure he cannot be trusted. But she has to figure out what he is doing before she can turn him in.

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?

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!