The Koots try to find answers to unexplained questions about an old car.

Eleven-year-old Jessi copes with pet sitting for the Mancusi family and serious dissension among the members of the Baby-sitters Club.

As the monsters of the Fright Club prepare to scare children on Halloween, an adorable little bunny tries to join the club.

Third-grader Sean McFerrin wants to be part of the good penmanship club, but it all depends on how well he learns the new cursive writing.

Nancy and her friend Bree explore the fascinating world of birds and insects in their exclusive and glamorous Explorers Extraordinaire Club.

Publisher Annotation: Sophia and her coding club BFFs have the best time together. Sure, they work on coding projects, but mostly they gossip about crushes, eat cookies, and do totally silly impersonations. Now they're about to participate in their first hackathon--a full day of coding and meeting other coders-so it's time to step up their game! Just when Sophia and her friends think their hackathon project is ready for the big time, a change of plans...

On a cold, dark night perfect for scaring, Fran is making a valentine, causing other members of Fright Club to howl and hiss over the idea of being in love.

Lisa learns a valuable lesson about the power of the press when she uses her column in a local newspaper as a vehicle for reporting private information about her friends.

When a broken ankle forces Marion to withdraw from the horse show, she finds a way to stay active by helping her friends at the Critter Club animal shelter find homes for a litter of kittens.

Marion gets to take care of Teddy, the class pet hamster, but on the first night he goes missing. The next day, she gets a mysterious letter in her locker that leads her on a scavenger hunt full of clues.