(1 - 11 of 11)
The Iron Spirit, or, The mystery of the Plains
Red Privateer, or, The first to float the stars and stripes
The doomed city, or, The hidden foe of Plummerdale
Railroad Ralph, the boy engineer
Tom Porter's search, or, The treasure of the mountains
The boy with the steel mask, or, A face that was never seen
Little Mac, the boy engineer, or, Bound to do his best
The boy tenderfoot, or, The outlaws of Crooked Canyon
Claim 33, or, The boys of the mountain
Silver Sam of Santa Fe, or, The lions' treasure cave
Jack Hawthorne of No Man's Land, or, An uncrowned king