Backwards by Rob Grant

Backwards is the fourth Red Dwarf novel. It is set on the fictional backwards universe version of Earth. The novel was written by Rob Grant on his own. It follows on directly from the second Grant Naylor novel, Better Than Life, ignoring Last Human which was by Doug Naylor. As well as Backwards it contains elements of the episodes Dimension Jump and Gunmen of the Apocalypse. A popular audiobook of Backwards was also produced, read by the author.