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Publication Order of Lone Wolf Books
| The Lone Wolf | (1914) | Hardcover  Paperback  Kindle |
| The False Faces | (1918) | Hardcover  Paperback  Kindle |
| Alias the Lone Wolf | (1921) | Hardcover  Paperback  Kindle |
| Red Masquerade | (1921) | Hardcover  Paperback  Kindle |
| The Lone Wolf Returns | (1923) | Hardcover  Paperback  Kindle |
| The Lone Wolf’s Son | (1931) | Hardcover  Paperback  Kindle |
| Encore the Lone Wolfe | (1933) | Hardcover  Paperback  Kindle |
| The Lone Wolf’s Last Prowl | (1934) | Hardcover  Paperback  Kindle |
| The Lone Wolf and the Hidden Empire | (1947) | Hardcover  Paperback  Kindle |
Publication Order of Standalone Novels
| Terence O’Rourke | (1904) | Hardcover  Paperback  Kindle |
| The Private War | (1906) | Hardcover  Paperback  Kindle |
| The Brass Bowl | (1907) | Hardcover  Paperback  Kindle |
| The Black Bag | (1908) | Hardcover  Paperback  Kindle |
| The Bronze Bell | (1909) | Hardcover  Paperback  Kindle |
| The Pool of Flame | (1909) | Hardcover  Paperback  Kindle |
| The Fortune Hunter | (1910) | Hardcover  Paperback  Kindle |
| No Man’s Land a Romance | (1910) | Hardcover  Paperback  Kindle |
| Cynthia-of-the-Minute | (1911) | Hardcover  Paperback  Kindle |
| The Bandbox | (1912) | Hardcover  Paperback  Kindle |
| The Destroying Angel | (1912) | Hardcover  Paperback  Kindle |
| Joan Thursday | (1913) | Hardcover  Paperback  Kindle |
| The Day Of Days | (1913) | Hardcover  Paperback  Kindle |
| The Trey O’ Hearts | (1914) | Hardcover  Paperback  Kindle |
| Sheep’s Clothing | (1915) | Hardcover  Paperback  Kindle |
| Nobody | (1915) | Hardcover  Paperback  Kindle |
| The Dark Mirror | (1920) | Hardcover  Paperback  Kindle |
| Linda Lee, Incorporated | (1922) | Hardcover  Paperback  Kindle |
| Baroque | (1923) | Hardcover  Paperback  Kindle |
| Mrs. Paramor | (1923) | Hardcover  Paperback  Kindle |
| The Road to En-Dor | (1925) | Hardcover  Paperback  Kindle |
| White Fire | (1926) | Hardcover  Paperback  Kindle |
| The Dead Ride Hard | (1926) | Hardcover  Paperback  Kindle |
| They Call It Love | (1927) | Hardcover  Paperback  Kindle |
| The Woman in the Shadow | (1930) | Hardcover  Paperback  Kindle |
| Speaking of Women | (1930) | Hardcover  Paperback  Kindle |
| The Trembling Flame | (1931) | Hardcover  Paperback  Kindle |
| The Street of Strange Faces | (1934) | Hardcover  Paperback  Kindle |