' Seeing Voices is both a history of the deaf & an account of the development of an extraordinary & expressive language' Evening Standard Imaginative & insightful Seeing Voices offers a way into a world that is for many people alien & unfamiliar -- for to be profoundly deaf is not just to live in a world of silence but also to live in a world where the visual is paramount. In this remarkable book Oliver Sacks explores the consequences of this including the different ways in which the deaf & the hearing learn to categorize their respective worlds -- & how they convey & communicate those experiences to others. ' Seeing Voices is a manifesto characteristically humane & impassioned; once more Sacks proves he is the doyen of science with a human face' Sunday Times ' Empathetic intelligent & compassionate' Guardian ' Scholarly & carefully documented Seeing Voices makes the gigantic leap so essential to understanding total deafness' Sunday Telegraph 'A passionate meditation on the richness of sign language' Independent