His Through the language glass, 2010 t.p. (Guy Deutscher) dust jacket (Guy Deutscher is the author of The Unfolding of Language : The Evolution of Mankind's Greatest Invention. Formerly a Fellow of St John's College, Cambridge, and of the Department of Ancient Near Eastern Languages at the University of Leiden in the Netherlands, he is an honorary Research Fellow at the School of Languages, Linguistics and Cultures at the University of Manchester. Through the Language Glass is his third book. He lives in Oxford with his wife and two daughters)