mystery and detective stories

Scooby and the gang try to get to the bottom of a slimy mystery when they learn that a sea creature is haunting the rides at Ocean Land water park.

Fifth-grader Leroy Brown solves ten mysteries and, by putting the solutions at the back of the book, challenges the reader to do the same.

Ralph, a short order cook, rescues a kidnapped opera singer from Big Al and his gang of nasty rats.

In this story about the boxcar children, Benny's curiosity while on vacation in a fishing village leads to the capture of a swindler.

Describes the adventures of the Alden family as they ride across country in a caboose that has a strange history--or is it a mystery?.

The Alden children travel on a Mississippi paddle-wheel steamer to visit an old family friend in his cabin near Hannibal, Missouri, and try to discover who is responsible for the mysterious activities near the house.

Sly uses her detective skills to help her friends solve mysteries that all involve some kind of code.

Adam, Finn, Lewis, and Emily use their computer coding skills and high-tech equipment to catch criminals, but when they begin to track Shantorian, a dangerous hacker, things do not play out as easily as the four Trackers predict. Includes passwords for Web content.

Thirteen-year-old Colophon Letterford and her cousin Julian continue their quest to uncover their family's treasure as new clues lead them to Oxford, England, seeking to unravel a connection to Christopher Marlowe.

Thirteen-year-old Lemony Snicket and his mentor S. Theodora Markson of the secretive V.F.D. in the tiny dot of a town called Stain'd By The Sea go searching for a missing girl.