The Motor Boys Overland
or A Lone Trip for Fun and Fortune
The Motor Boys in Mexico.
or The Secret of The Buried City
The Motor Boys Across the Plains
or The Hermit of Lost Lake
The Motor Boys Afloat
or The Stirring Cruise of the Dartaway
The Motor Boys on the Atlantic
or The Mystery of the Lighthouse
The Motor Boys in Strange Waters
or Lost in a Floating Forest
The Motor Boys on the Pacific
or The Young Derelict Hunters