1. THE MOTOR BOYS

or Chums through Thick and Thin

2. THE MOTOR BOYS OVERLAND

or A Long Trip for Fun and Fortune

3. THE MOTOR BOYS IN MEXICO

or The Secret of the Buried City

4. THE MOTOR BOYS ACROSS THE PLAINS

or The Hermit of Lost Lake

5. THE MOTOR BOYS AFLOAT

or The Cruise of the Dartaway