River of Blood,Corgi, UK, 1976 

Shadow of Vultures, Corgi, UK, 1977 

Death in Gold, Corgi, UK, 1977 

Cross-Draw, Corgi, UK, 1978 

Vigilante!, Corgi, UK, 1979 

Sun Dance, Corgi, UK, 1980 

Billy the Kid, Corgi, UK, 1980 

Till Death… , Corgi, UK, 1980 

Dying Ways, Corgi, UK, 1982 

Hearts of Gold, Corgi, UK, 1982 

Wild Blood, Corgi, UK, 1983 

as William S. Brady – The Hawk Series

Blood Money, Fontana, UK, 1979 

Killing Time, Fontana, UK, 1980 

Blood Kin, Fontana, UK, 1980 

Desperadoes, Fontana, UK, 1981 

Dead Man’s Hand, Fontana, UK, 1981 

Sierra Gold, Fontana, UK, 1982 

Death and Jack Shade, Fontana, UK, 1982 

Border War, Fontana, UK, 1983 

Killer!, Fontana, UK, 1983 

as William S. Brady – The Peacemaker Series

Whiplash, Fontana, UK, 1981 

War-Party, Fontana, UK, 1983 

as J.D. Sandon – The Gringos Series

Cannons in the Rain, Mayflower, UK, 1979 

Border Affair, Mayflower, UK, 1979 

Mazatlan, Mayflower, UK, 1980 

Wheels of Thunder, Mayflower, UK, 1981 

Durango, Mayflower, UK, 1982 

as L.J. Coburn – The Caleb Thorn Series

The Raiders, Sphere, UK, 1977 

Bloody Shiloh, Sphere, UK, 1978 

as J.B. Dancer – The Lawmen Series

Evil Breed, Coronet, UK, 1977 

Judgement Day, Coronet, UK, 1978 

The Hanged Man, Coronet, UK, 1979 

as William M. James  – The Apache Series

Blood Rising, Pinnacle, US, 1979 

Blood Brother, Pinnacle, US, 1980 

Death Dragon, Pinnacle, US, 1981 

Death Ride, Pinnacle, US, 1983 

The Hanging, Pinnacle, US, 1983 

As John B Harvey – The Hart, the Regulator Series

Cherokee Outlet, Pan, UK, 1980 

Blood Trail, Pan UK, 1980 

Tago, Pan UK, 1980 

The Silver Lie, Pan, UK 1980 

Blood on the Border, Pan, UK, 1981 

Ride the Wide Country, Pan, UK, 1981 

Arkansas Breakout, Pan, UK, 1982 

John Wesley Hardin, Pan, UK, 1982 

California Bloodlines, Pan, UK 1983 

The Skinning Place, Pan, UK 1983 

(This last book of the series was re-printed in The Fatal Frontier, edited by Ed Gorman and Martin H Greenberg, Carroll & Graf, (US) 1997)