Teenage detectives Frank and Joe Hardy investigate a supposedly haunted house reported to be the hangout of criminals.

Third-grader Dink and his detective friends hope to receive a big reward by finding the person whose video recorder picked up a picture of the local bank robber.

When she notices some bones missing from a dinosaur skeleton exhibited in the museum, a young girl with a photographic memory tries to discover who has been taking them and why.

The prize for the pet show is missing. Jigsaw enters his dog Rags in the contest and has an idea to solve the case.

Featuring friendship, school, family, and a diverse community, these early illustrated chapter books from James Preller have it all. Got a mystery to solve? Jigsaw Jones is on the case. When Bigs Maloney finds a cryptic note in room 201 that supposedly leads to buried treasure, only Jigsaw can crack the riddle. Soon, the whole class is counting on him and Mila to strike gold. But one clue leads to another and when Jigsaw finally finds the treasure,...

Dink and his friends meet an exchange student, Sammi, who is actually the prince of an island country, hiding from those enemies who have kidnapped his parents and who may be after him as well.

The Aldens help out at a medieval fair and try to find a valuable sword which has been stolen from the fair.

The Greenfield Museum is holding a special exhibit all about ancient Egypt, and the main attraction is a 4,000-year-old mummy! But ever since the mummy arrived, nothing's gone right for the museum or its workers. Could the spooky sarcophagus be behind all the bad luck?

The Boxcar children have dinner at a Chinese restaurant and get a handwritten riddle in a fortune cookie! One riddle leads to another, and the children wonder who is leaving the cookie clues and why.

Thirteen-year-old Lemony Snicket begins his apprenticeship with S. Theodora Markson of the secretive V.F.D. in the tiny dot of a town called Stain'd By The Sea, where he helps investigate the theft of a statue.