'A fabulously rich, anecdotal and gripping account of those men and women who ventured out from Britain into the swamps and jungles of the tropics in search, knowingly or not, of the missing link. Through their stoical-sometimes crack-brained-voyages, the shape of the world, geographically and biologically, was elucidated. Never have more significant journeys been made. . . . Enthusiastic, informed...