Baby-sitters Club mystery

When a local surfer mysteriously disappears, Dawn fears his ghost is haunting the beach.

Stacey can't wait to get involved in the plans for Stoneybrook Middle School's Mischief Night Masquerade, but someone is trying to sabotage the event and Stacey and her friends in the Baby-Sitters Club are determined to find out why.

Dawn and her friends try to help the police catch a robber so that trick-or-treating will not be called off.

Counterfeit money is showing up in Stoneybrook and Stacey gets a fake ten dollar bill. The baby-sitters are worried that one of their clients may be involved.

While reading about Stoneybrook's history, Kristy comes across an entry about a girl named Christina Thomas, an heiress who disappeared, along with a treasure, in 1863. Kristy wonders if she is related to this girl and decides to search for the fortune.

Mary Anne and the Baby-sitters Club investigate the mystery behind some strange things that have been happening since Mary Anne brought home a music box she found behind a secret panel in her grandparent's basement.

Luke Martinez, one of the Babysitter's newest charges, has a secret that is making him very unhappy, and the BSC members believe it must have something to do with the mysterious fire at his house and the plans of a mean developer who seems set on destroying Stoneybrook.

While Claudia baby-sits for the grandson of the late folk artist Grandmother Madden, she searches the house for the missing paintings Grandmother Madden claimed she destroyed.

Baby-sitters Club members Stacey, Abby, and Kristy find themselves on a dangerous ride when they accept an assignment watching over nine kids on a special mystery train, traveling from Boston to Charleston, S.C. to publicize child star Derek Masters's new movie.