Writing with his trademark blend of scientific rigour and human compassion, he describes patients such as the colour-blind painter or the surgeon with compulsive tics that disappear in the operating theatre; patients for whom disorientation and alienation – but also adaptation – are inescapable facts of life.

'An inexhaustible tourist at the farther reaches of the mind, Sacks presents, in sparse, unsentimental prose, the stories of seven of his patients. The result is as rich, vivid and compelling as any collection of short fictional stories' – Independent on Sunday