His publications include more than 20 novels and 30 short stories.

Davis, who writes in many genres, was the president of the Science Fiction and Fantasy Writers of America (SFWA) from 2008 to 2010, and a member of the Western Writers of America (WWA).

Lawson, Cliff Ryder, Jenna Solitaire and Christopher Tracy as well as his real name.

[1][2] Cliff Ryder is a house pseudonym shared by multiple writers.

[2] [clarification needed] Among the Room 59 spy novels published under the name Cliff Ryder, a house pseudonym shared by multiple writers, Davis takes credit for two for which he has been acknowledged under the pseudonym Garrett Dylan.