| # | Book Title | Author | ||
|---|---|---|---|---|
| 1 | X Bar X Boys on the Ranch, The | Ferris, James Cody | ||
| 2 | X Bar X Boys in Thunder Canyon, The | Ferris, James Cody | ||
| 3 | X Bar X Boys on Whirlpool River, The | Ferris, James Cody | ||
| 4 | X Bar X Boys on Big Bison Trail, The | Ferris, James Cody | ||
| 5 | X Bar X Boys at the Round-Up | Ferris, James Cody | ||
| 6 | X Bar X Boys at Nugget Camp, The | Ferris, James Cody | ||
| 7 | X Bar X Boys at Rustlers' Gap, The | Ferris, James Cody | ||
| 8 | X Bar X Boys at Grizzly Pass, The | Ferris, James Cody | ||
| 9 | X Bar X Boys Lost in the Rockies, The | Ferris, James Cody | ||
| 10 | X Bar X Boys Riding for Life, The | Ferris, James Cody | ||
| 11 | X Bar X Boys in Smoky Valley, The | Ferris, James Cody | ||
| 12 | X Bar X Boys at Copperhead Gulch, The | Ferris, James Cody | ||
| 13 | X Bar X Boys Branding the Wild Herd, The | Ferris, James Cody | ||
| 14 | X Bar X Boys at the Strange Rodeo, The | Ferris, James Cody | ||
| 15 | X Bar X Boys with the Secret Rangers, The | Ferris, James Cody | ||
| 16 | X Bar X Boys Hunting the Prize Mustangs, The | Ferris, James Cody | ||
| 17 | X Bar X Boys at Triangle Mine, The | Ferris, James Cody | ||
| 18 | X Bar X Boys and the Sagebrush Mystery, The | Ferris, James Cody | ||
| 19 | X Bar X Boys in the Haunted Gully, The | Ferris, James Cody | ||
| 20 | X Bar X Boys Seek the Lost Troopers, The | Ferris, James Cody | ||
| 21 | X Bar X Boys Following the Stampede, The | Ferris, James Cody |