Thể loại sách nói : Action & Adventure
Dorothy Dixon and the Mystery Plane
Dorothy Wayne, Noel E. Sainsbury, Jr.
Winning His Spurs: A Tale of the Crusades
G. A. Henty
Policeman Bluejay
L. Frank Baum
Submarine Boys on Duty
Victor G. Durham
Bill Biddon, Trapper
Edward S. Ellis
Pony Rider Boys in Alaska
Frank Gee Patchin
Boy Scouts First Camp Fire
St. George Henry Rathborne
Boy Chums in the Florida Jungle
Wilmer M. Ely
Ride Proud, Rebel!
Andre Norton
Tom Swift and His Submarine Boat
Victor Appleton
Giraffe Hunters
Thomas Mayne Reid
Running Fox
Elmer Russell Gregor