Books by Wrenn, Charles L. (Charles Lewis) (sorted by popularity)
- The Boy Inventor's Wireless Triumph Richard Bonner 44 downloads
- The Bungalow Boys Along the Yukon John Henry Goldfrap 43 downloads
- The Border Boys Along the St. Lawrence John Henry Goldfrap 43 downloads
- The Boy Inventors' Flying Ship Richard Bonner 42 downloads
- The Boy Inventors' Diving Torpedo Boat Richard Bonner 40 downloads