The House on the Cliff is a gripping mystery novel from the renowned Hardy Boys series, authored by Franklin W. Dixon. In this thrilling tale, brothers Frank and Joe Hardy, along with their best friend Chet Morton, find themselves drawn into a perplexing case that leads them to a secluded cliffside mansion with a dark and mysterious past. The story unfolds when the Hardy boys receive a cryptic message from their father, Fenton Hardy, a renowned detective,...

While searching for the guard end of a broken saber that will solve one mystery, the Hardy brothers become involved with a gang of bank robbers.

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.

An archaeological expedition in the West turns into a desperate attempt to capture robbers and an escaped convict.

A series of bizarre events in their home town lead the Hardy Boys on a trail of robbers and kidnappers.

After finding a mysterious will, the Hardy boys set out to fulfill its request to find a treasure and the owner of the treasure.