Brings together the toughest, most esoteric examples of the genre and . . . sketches out winning responses to each.--Daily Telegraph

Is nature natural? What books are bad for you? What percentage of the world's water is contained in a cow? Deftly exploring the twisting paths your mind can take when really made to think, John Farndon provides a sparkling tour de force through lateral thinking from philosophy to physics and literature to logarithms.

John Farndon is a best-selling author and Cambridge graduate.

Libby Purves, OBE, is a BBC radio presenter, Times journalist, novelist, and Oxford graduate.