Juvenile fiction.

Their SOS ignored in a storm, the Hardy boys find a wallet containing two thousand dollars alongside their boat and are launched into a mystery i

A chance meeting with a stranger on the road provides the Hardy brothers with a clue to a gang of local burglars.

Helping in a case their father is working on, the Hardy brothers try to find an informer who has telephoned from a booth in their home town, and

In trying to trace a missing will, detectives Frank and Joe Hardy trap a dangerous criminal who is willing to risk all--including murder--for mon

Frank and Joe unravel clue after clue in this adventure-packed search for the living descendant of the mighty Aztec nation which once ruled Mexic

After the new hydrofoil they are guarding is stolen, the Hardy boys face frequent danger in solving a mystery involving criminals who operate by