Winner of the Aventis Science Book Prize. 'A scientific detective story, a brilliant cross between Edgar Allan Poe and Gray's anatomy' J G Ballard, New Stateman Books of the Year

CHRIS MCMANUS is Professor of Psychology and Medical Education at University College, London. He is the author of the leading textbook Psychology in Medicine and is the co-editor of The Cambridge Handbook of Psychology, Health and Medicine. He is one of the world¿s foremost experts on handedness and lateralization.