Good Onya, DtG! I never really know if it is or not, so it is worth investigating just to be nice.

This might be the book. Kilgore Trout: Venus on the Half Shell. A book about a man referred to as The Space Wanderer.

Wiki says this: a science fiction novel by American writer Philip José Farmer, writing pseudonymously as "Kilgore Trout," a fictional recurring character in many of the novels of Kurt Vonnegut.