As her senior capstone project, Pippa Fitz-Amobi is determined to find the real killer in a closed, local murder case, but not everyone wants her meddling in the past.

Juvenile fiction. The Hardy boys are called on to help investigate the strange happenings at the dam and reservoir on Skull Mountain and what is causing the water to disappear every night.

Jigsaw's school is haunted! Some kids saw a ghost dancing in the classroom. Jigsaw Jones is not afraid. He will catch this glowing ghost ... even if he has to stay after school to do it!

A bone-chilling novel about a woman found holding a hunting knife, covered in blood that is not her own, who communicates with a single, ominous drawing, and the man who must get inside her head to solve a mystery without a crime. Detective Steven Paul has had the same nightmare for as long as he can remember, a strange symbol figuring prominently into his terror. He decided long ago that the recurring dreams are nothing more than an unfortunate side...

The children are spending the summer on their own private island but there is a mysterious stranger on the island.

As the race to find the 39 Clues builds to its explosive finish, Amy and Dan must explore an ancient culture and steal a Clue guarded by thousands of the world's best-trained soldiers. It's the most dangerous Clue search yet ... and it may mean the end for Amy and Dan.

Nate the Great solves the mystery of the missing picture. A young boy who enjoys playing junior detective is called upon to help a friend find a missing painting.

In three brief mysteries, Detective Dinosaur learns about doing undercover work, gets chased by strange blobs, and finds rain on a sunny day.

While on a bicycle trip to their aunt's farm, the four Aldens help solve a mystery.

"Jigsaw is in big-time trouble! For a dollar a day, Jigsaw and Mila make problems go away. But now Jigsaw has some trouble of his own. He lost grandfather's watch! Can Jigsaw and Mila find the watch before time runs out?"