[en] [Gutenberg 42748] • The Motor Boys Overland; Or, A Long Trip for Fun and Fortune Kessinger Publishing
[en] [Gutenberg 47788] • Motor Matt's Triumph; or, Three Speeds Forward Createspace
[en] [Gutenberg 44846] • The Motor Boys on the Atlantic; or, The Mystery of the Lighthouse Createspace Independent Publishing Platform
[en] [Gutenberg 50975] • Motor Matt's Prize; or, The Pluck That Wins Createspace Independent Publishing Platform
[en] [Gutenberg 59405] • Pee-wee Harris, F.O.B. Bridgeboro Grosset & Dunlap
[en] [Full Throttle 01] • Running Wide Open Webfoot Publishing
[en] [Gutenberg 42461] • The Motor Boys; or, Chums Through Thick and Thin Kessinger Publishing
[en] [Gutenberg 36388] • Airship Andy; Or, The Luck of a Brave Boy Amazon Digital Services, Inc.
[en] [Lacey & Casey 02] • The Adventures of Hotsy Totsy Philomel Books
[en] [Lacey & Casey 02] • Clive Cussler Philomel Books
[en] [Gutenberg 23599] • The Big Fix LibriVox.org
[en] Dick Francis · Felix Francis Berkley Books