J. Andrew Keith, and his brother William H. Keith Jr., responded to ads in Journal of the Travellers Aid Society for authors to write for Game Designers' Workshop (GDW); Loren Wiseman started them with freelancing for GDW in the late 1970s and the three of them set up much of the early material for Traveller.

[3]: 131 J. Andrew Keith wrote some adventures for Fantasy Games Unlimited's Chivalry & Sorcery before the line ended in 1984.

[3]: 74  The Keith brothers then worked on some of FGU's other lines in 1985 including Aftermath!, Daredevils, Flashing Blades, and Psi World.

[3]: 75  The Keith brothers also designed Freedom Fighters (1986), one of the last role-playing games published by FGU.

[3]: 75 Andrew was a rather prolific Science Fiction and Role-Playing Game author, and the bibliography presented below is in no way comprehensive.