No, it's not philosophical, Elleise, or particularly thought-provoking. It's a joyous fantasy-romp telling the adventures of an ordinary young Englishman who hitchhikes around an infinite universe, in the company of an irresponsible researcher employed by the editors of The Guide.

It's hard to find any book to compare with what the author calls his "trilogy". Think of a fantastical uber-futuristic multiple-worlds version of Catch-22, and you might get a vague idea of its style.