Dave Dashaway and His Giant Airship; or, A Marvellous Trip Across the Atlantic

by Roy Rockwood

6. THE MOTOR BOYS ON THE ATLANTIC

or The Mystery of the Lighthouse

7. THE MOTOR BOYS IN STRANGE WATERS

or Lost in a Floating Forest

8. THE MOTOR BOYS ON THE PACIFIC

or The Young Derelict Hunters

9. THE MOTOR BOYS IN THE CLOUDS

or A Trip for Fame and Fortune

10. THE MOTOR BOYS OVER THE ROCKIES

or A Mystery of the Air