McAllister sets out his stall in the opening sentence of the prologue.

“If you’re reading this then you — or the male you have bought it for — are the worst man in history.

“No ifs, no buts — the worst man, period…As a class we are in fact the sorriest cohort of masculine Homo sapiens to ever walk the planet.”

Delving into a wide range of source material McAllister finds evidence he believes proves that modern man is inferior to his predecessors in, among other fields, the basic Olympic athletics disciplines of running and jumping.

His conclusions about the speed of Australian aboriginals 20,000 years ago are based on a set of footprints, preserved in a fossilized claypan lake bed, of six men chasing prey.