Back in California for the surfing competition, Dawn must soon solve a mystery involving a missing surfer, a mangled surfboard, and a ghost who surfs at night.

Learning that a local girl who was humiliated at a prior event is trying to sabotage the Stoneybrook Middle School Mischief Night Dance, the baby-sitters hope to stop the girl and set things right.

When their car breaks down in a snowstorm, Kristy and her softball team are forced to stay overnight in a creepy mansion.

The members of the Baby-sitters Club split their time between babysitting and investigating the spooky noises behind Dawn's bedroom wall.

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! BOO!Karen’s class gets to help decorate a haunted house for Halloween! It is lots of fun making things look scary. But then Karen and her friends start hearing spooky noises. And someone is playing tricks, too. Who -- or what -- is haunting Karen’s haunted house?