8 books • 2 series
Book #5: Boneyard of Lost Dreams
Book #10: Homo Futuris
Book #11: What Might Have Been
Book #12: Lawmen and Crimefighters
Book #18: Veterans
Book #2: Tuesday After Next
Book #3: Grand Theft Starship
Book #4: Robots, Androids, Cyborgs, Oh My!
Book #6: Ray Guns And Space Babes
Book #7: Apocalypse Descending