Sports of the World (1939)
Fit to Kill (1941)
Tragedy in Turquoise (1942)
Date for Murder (1943)
Design for Dying (1945)
Murder Trouble (1945)
Give Up the Body (1946)
You Can't Kill a Corpse (1946)
Valley of Violence (1948)
Death Is My Lover (1948) (writing as Stuart Brock)
Just Around the Coroner: A Peter Cory Murder Mystery (1948) (writing as Stuart Brock)
The Case of the Blank Cartridge (1949)
Gunsmoke Justice (1950)
The Wild Horse Trail (1950)
Crossfire (1953)
Action at Boundary Peak (1955)
Whispering Canyon (1955)
Fighting Cowman (1956)
Stab in the Dark (1956)
A Lovely Mask for Murder (1956)
Nothing to Lose But My Life (1957)
The Big Bite (1957)
The Smell of Trouble (1958)
The Tide Can't Wait (1959)
Girl on a Slay Ride (1960)
Love Me and Die (1960)
The Dead and the Deadly (1963)
The Holdout in the Diablos (1965)
Anthropol (1968)
The Lonesome Mountains (1970)
The Noblest Experiment in the Galaxy (1970)
The City Machine (1972)
Guardians of the Gate (1972) (with Jacquelyn Trimble)
The Wandering Variables (1972)
Montana Gun (1972)
The Bodelan Way (1974)
The Desperate Deputy Of Cougar Hill (1979)
The Hostile Peaks (1979)
The Man from Colorado (1980)
Marshal of Sangaree (1988)
Deadman Canyon (1992)
Mountain Ambush (1992)
Siege at High Meadow (1992)
Bullets on Bunchgrass (1996)
Gaptown Law (1998)
Double-cross Ranch (1999)
Trouble Valley (2004)
Trouble at Gunsight (2006)

I Want Out / Obit Deferred (1959) (with Tedd Thomey)
Showdown in the Cayuse / Ride a Dim Trail (1966) (with Lee E Wells)
Echo of a Texas Rifle / Standoff at Massacre Buttes (1967) (with Kyle Hollingshead)
Anthropol / Time Mercenaries (1968) (with Philip E High)
Face Behind the Mask / Marshall of Sangaree (1968) (with Tom West)
Hostile Peaks / Renegade Roundup (1969)
Noblest Experiment in the Galaxy / Communipaths (1970) (with Suzette Haden Elgin)
Cougar Basin War / Trouble Valley (1970) (with Philip Ketchum)