• The Motor Boys Bound for Home; or, Ned, Bob and Jerry on the Wrecked Troopship
• The Motor Boys in the Army; or, Ned, Bob and Jerry as Volunteers
• Ned, Bob and Jerry at Boxwood Hall; Or, The Motor Boys as Freshmen
• The Motor Boys in Mexico; Or, The Secret of the Buried City
• The Kangaroo Hunters; Or, Adventures in the Bush
• Dorothy Dixon and the Mystery Plane
• The Motor Boys Afloat; or, The Stirring Cruise of the Dartaway
• The Motor Boys Under the Sea; or, From Airship to Submarine
• The Motor Boys on the Border; Or, Sixty Nuggets of Gold
• The Motor Boys After a Fortune; or, The Hut on Snake Island
• The Motor Boys Overland; Or, A Long Trip for Fun and Fortune
• The Motor Boys on the Wing; Or, Seeking the Airship Treasure
• The Motor Boys in Strange Waters; or, Lost in a Floating Forest
• The Motor Boys Over the Ocean; Or, A Marvelous Rescue in Mid-Air
• The Motor Boys on a Ranch; or, Ned, Bob and Jerry Among the Cowboys
• The Motor Boys Across the Plains; or, The Hermit of Lost Lake
• The Motor Boys in the Clouds; or, A Trip for Fame and Fortune
• The Motor Boys on the Atlantic; or, The Mystery of the Lighthouse
• The Motor Boys; or, Chums Through Thick and Thin
• The Motor Boys Over the Rockies; Or, A Mystery of the Air
• Jack Ranger's Gun Club; Or, From Schoolroom to Camp and Trail