With
Rob Grant, co-wrote two "Red Dwarf" novels, "Infinity Welcomes
Careful Drivers" and "Better Than Life", under the "Grant Naylor"
pseudonym (the dustcover bio describes Grant Naylor as a "gestalt
entity" residing in the two writers' bodies). After Grant's departure,
Doug wrote an additional "Red Dwarf" book, "The Last Human", under his
own name.