Hop, skip and jump into this wonderfully curious grand tour of the world of sports, brought to you by QI Elves and No Such Thing As a Fish podcast hosts James Harkin and Anna Ptaszynski.

From sport's weirdest rules to its most unlikely heroes, each chapter of Everything to Play For is brimming with surprising facts and intriguing stories, including the psychology of soccer chants, comically large cricket bats, pole-vaulting priests and professional pillow-fighting.

Even if you've never asked yourself what David Attenborough has to do with yellow tennis balls, why Victorian doctors feared the outbreak of "bicycle face," or what led ancient Egyptian athletes to have their spleens removed, this book will give you the astonishing answers, and plenty more besides.