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

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