THE MOTOR BOYS OVERLAND
Or, A Long Trip for Fun and Fortune
With the money won at the great motorcycle race the three boys purchase their touring car and commence their travels.
THE MOTOR BOYS IN MEXICO
Or, The Secret of the Buried City
From our own country the scene is shifted to Mexico, where the motor boys journey in quest of a city said to have been buried centuries ago by an earthquake.
THE MOTOR BOYS ACROSS THE PLAINS
Or, The Hermit of Lost Lake
Unraveling the mystery surrounding an old hermit and a poor boy.
THE MOTOR BOYS AFLOAT
Or, The Stirring Cruise of the Dartaway
In this volume the boys take to a motorboat, and have many adventures.
THE MOTOR BOYS ON THE ATLANTIC
Or, The Mystery of the Lighthouse
How the lads foiled the bad men who wanted to wreck a steamer by means of false lights is dramatically related.