Over There with the Canadians at Vimy Ridge

by G. Harvey Ralphson

3.--The Motor Club on the Great Lakes; or, Exploring the Mystic Isle of Mackinac.

4.--Motor Boat Boys Among the Florida Keys; or, The Struggle for the Leadership.

5.--Motor Boat Boys Down the Coast; or, Through Storm and Stress.

6.--Motor Boat Boys' River Chase.

THE BIRD BOYS SERIES

By John Luther Langworthy

1.--The Bird Boys; or, The Young Sky Pilots' First Air Voyage.

2.--The Bird Boys on the Wing; or, Aeroplane Chums in the Tropics.

3.--The Bird Boys Among the Clouds; or, Young Aviators in a Wreck.

4.--Bird Boys' Flight; or, A Hydroplane Round-up.