Clarence Young

Ned, Bob and Jerry on the Firing Line / The Motor Boys Fighting for Uncle Sam

The Motor Boys on the Border

Jack Ranger's Western Trip

The Motor Boys on the Wing: or, Seeking the Airship Treasure

Jack Ranger's Gun Club: or, From Schoolroom to Camp and Trail

The Motor Boys in the Army; or, Ned, Bob and Jerry as Volunteers

The Motor Boys After a Fortune; or, The Hut on Snake Island

The Motor Boys Across the Plains; or, The Hermit of Lost Lake

The Motor Boys on Road and River; Or, Racing To Save a Life

The Motor Boys Bound for Home; or, Ned, Bob and Jerry on the Wrecked Troopship

The Motor Boys in Strange Waters; or, Lost in a Floating Forest

The Motor Boys in the Clouds; or, A Trip for Fame and Fortune

The Motor Boys Over the Rockies; Or, A Mystery of the Air

The Motor Boys in Mexico; Or, The Secret of the Buried City

The Motor Boys Overland; Or, A Long Trip for Fun and Fortune

The Motor Boys on the Atlantic; or, The Mystery of the Lighthouse

The Motor Boys on a Ranch; or, Ned, Bob and Jerry Among the Cowboys

The Motor Boys on the Pacific; Or, the Young Derelict Hunters

The Motor Boys Under the Sea; or, From Airship to Submarine

The Motor Boys Over the Ocean; Or, A Marvelous Rescue in Mid-Air