While visiting Stoneybrook's new museum, Claudia is horrified to learn that someone has stolen some priceless coins and replaced them with forgeries. Original.

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. Original.

The Stoneybrook Library children's room is holding a Readathon to raise money for new books. And Mary Anne, who loves to read, is helping out by finding good books for the kids to read. But things at the library get really scary when small fires break out. The police know the fires have been set. But by who? And why would someone want to burn down Stoneybrook's library-especially when there are tons of kids around for the Readathon? This is one serious mystery that Mary Anne's not going to let go unsolved!

The Baby-sitters are all taking a class at SMS where they are assigned jobs at the Washington Mall. How cool - going to "school" at the mall! But soon Stacey learns that some pretty bad things are going on there. Besides the regular shoplifting problems, expensive things are being stolen, too. and then Stacey has a big scare when she's working at Toy Town. Is it safe to shop at Washington Mall anymore? The Baby-sitters aren't sure - but they're going to make sure this mystery is solved!

When a television movie begins filming in Stoneybrook, Kristy is hired to look after Derek Masters, child actor and friend of the Club, who begins receiving threatening letters demanding he quit the project. Original.

Claudia's new passion for photography has her snapping pictures everywhere - at BSC meetings, at breakfast, and all over Stoneybrook. One afternoon she uses up a whole roll of film on the Stoneybrook Bank, just because she likes the way it looks.Then the Baby-sitters learn that the bank has been robbed. And it happened the very day that Claudia was there! Though the police suspect the heist was an inside job, they don't have a single lead. But Claudia thinks her photos might contain a significant clue... Will the thief go free? Not if Claudia and the BSC can help it!

When Dawn witnesses a holdup and Stoneywood's trick-or-treating is called off while the investigations are underway, she and the other members of the We Love Kids Club decide to catch the robber themselves. Original.

Agreeing to watch the Johanssen's dog, Carrot, while they are away, Stacey is alarmed when Carrot's strange behavior, trash in the wastebaskets, and warm electrical appliances make her realize that someone else is in the house. Original.

Kristy and the club investigate a century-old mystery involving an heiress who disappeared with her fortune—a fortune that just might belong to Kristy.

School at the zoo? Totally wild! The Baby-sitters can't wait to start on their animal observation projects for science class - because they get to work at the Bedford Zoo!

Entering the local baking contest, Claudia is disheartened when her cake turns out poorly, until she realizes that her efforts have been sabotaged, and it is up to the baby-sitters to find out who is to blame. Original.

Someone is trying to stop Stoneybrook Middle School's Mischief Night Dance, someone who suffered humiliation and horror at that dance long ago.

While helping restore an abandoned country club, Abby and the Baby-sitters Club become involved in a decades-old murder mystery involving a secret blackmailing ring that was once based there. Original.

Hoping to overcome the distrust of eight-year-old Luke, the Baby-sitters Club's newest charge, Mary Anne believes that Luke holds the key to a mysterious fire and a mean developer's plans to take over Stoneybrook. Original.

Suspecting that Cary and his Mischief Knights are behind recent school vandalism pranks, Kristy and her friends begin an investigation that challenges them to solve eight puzzles in order to catch the real culprit

Dawn has a lot to do this summer: spend time with her family, see her Stoneybrook friends, and, of course, baby-sit as much as possible! Then she and the BSC land some new clients: a feuding family, searching for a treasure that will settle a tricky will left by their eccentric father. Now Dawn has even more things she'd like to do. She's going to take care of her new charges. . . and while she's at it, she'll try to patch up the feud and solve the inheritance mystery. Can she do it all before she has to go back to California?

When the Hatts, a family that disappeared years earlier under mysterious circumstances from the old Stoneybrook lighthouse, suddenly return and move in with the Kishis, Claudia wonders what secret they are keeping. Original.

Discovering a baby boy on her porch when she returns from school one day, Abby and the other members of the Baby-sitters Club must find out where the baby came from and to whom he belongs. Original.

Stacey takes a job at Bellair's department store only to discover that someone is sending scary and threatening notes to all of the models.

Derek Masters, child star and friend of the BSC, is about to board a special "mystery train" publicizing his latest movie...and he wants a bunch of his Stoneybrook friends, including three baby-sitters, to join him! It sounds like a blast, but problems appear before the train even leaves the station. Someone seems determined to ruin the trip - no matter what. Good thing the BSC is on the case, because this is turning into one dangerous ride!

Whiled cleaning up Granny and Pop-Pop's basement, Mary Anne stumbles upon a tightly wrapped package that contains a surprising secret from the past. Original.

When Claudia is told that her friend Rebecca's grandmother burned all of her own famous artworks before she died, she is suspicious and sets out to find the real truth.

Stacey's class is selling "valentine-grams", packets of secret messages and candy that kids can send to each other. When someone steals the bag of messages, Stacey becomes a super sleuth to find the culprit and save Valentine's Day.

Mary Anne takes a job in a bookstore, but when strange occurrences—such as the sound of a throbbing heartbeat and the appearance of a screeching raven—transpire, the ghost of Edgar Allan Poe may be to blame. Original.

Stuck at home with a minor illness, Abby is passing her time by staring out her window, spying on the neighbors with her binoculars, until her snooping uncovers a wanted criminal who has just been profiled on the "Mystery Trackers" television program. Original.

It's the biggest crime in Stoneybrook history—one of the town's mansions is missing! Kristy & Co. are hot on the trail of the Cat Burglar, who left his sign at the scene of the crime.

1\. Kristy's Great Idea 2\. Claudia and the Phantom Phone Calls 3\. The Truth About Stacey 4\. Mary Anne Saves the Day