The Pony Rider Boys in the Ozarks; Or, The Secret of Ruby Mountain

The Pony Rider Boys in the Rockies; Or, The Secret of the Lost Claim

The Pony Rider Boys in the Grand Canyon; Or, The Mystery of Bright Angel Gulch

The Pony Rider Boys in Texas; Or, The Veiled Riddle of the Plains

The Saddle Boys in the Grand Canyon; or, The Hermit of the Cave

The Pony Rider Boys in Alaska; Or, The Gold Diggers of Taku Pass

The Pony Rider Boys in Louisiana; or, Following the Game Trails in the Canebrake

The Pony Rider Boys on the Blue Ridge; or, A Lucky Find in the Carolina Mountains

The Saddle Boys at Circle Ranch; Or, In at the Grand Round-Up

The Boy Scouts in the Saddle

Grace Harlowe's Overland Riders at Circle O Ranch