Dixon, Franklin W

The Hardy boys, vacationing with their father in Nairobi, become involved in a dangerous case when they decide to investigate the illegal hunting of some of the area's wild animals.

On a ride through the rough and rugged country around Durango, Colorado, the Hardys ride into an ambush. An old secret lies buried in the mountains and a modern-day gang of outlaws is ready to protect it.

When Frank and Joe go to New York for a magic seminar, they have to learn the tricks of the trade in order to track down a safecracker.

The Hardy brothers' visiting Greek pen pal enlists their help in searching for a priceless ancient Greek helmet loaned to and lost by a Hollywood movie company years before.

The Hardy brothers' search for the missing son of a wealthy industrialist leads them to Brazil and great danger.

When Mr. Hardy disappears while investigating a mystery surrounding a vacant house rumored to be either haunted or an abode for criminals, Joe and Frank search for the truth.

The Hardy Boys try to solve the disappearance of Nightmare the racehorse and his trainer Julian Ardyce.

The Hardy boys become suspicious when a family of alleged psychics move into town and claim to have true visions of the past, present, and future.

After local officials receive an anonymous note threatening to sabotage the annual Founder's Day fireworks display, Frank and Joe hunt for the mysterious bomber.

The Hardys sign on as volunteer firefighters and find an arsonist is on the loose in Bayport.