Dean R.Koontz has used many pseudonymes over the years from the 1960's to now.  Writing horror, science fiction, romance ect.  Im sure there are even those we will never know, but this list covers all his known pen names, with the titles and year of publication under said name.  If you find this guide helpful please let us know at the bottom.

  They have been listed alphabeticly by the last names;

David Axton;   Prison of ice  (74)

Gracie Amber;  Skin Summer (73)

Gerda Ann Cerra(wife's name); 

Leonard Chris;   Hung  (??)

Brian Coffey;   Blood Risk (73), Surronded (74), The wall of Masks (75), The Voice of Night (80)

Deanna Dwyer;  Legacy of Terror (71), Demon Child (71). The Dark Summer (72), Children of the Storm (72), Dance with the Devil (73)

K.R. Dwyer;  Chase (72), Shattered (73), Dragonfly (75)

Ann Griffin;  Skin Summer (70&83)

John Hill;  The Long Sleep (75)

Leigh Nichols;  Twilight (72), The Key to Midnight (79), The Eyes of Darkness (81), The house of Thunder (82), The Door to December (85), Shadowfires (87)

Anthony North;  Strike Deep (74) 

Richard Page;  The Door to December (85)

Owen West;  The Funhouse (80), The Mask (81)

Aaron Wolfe;  Invasion (75)