Hodges, Andrew, The imitation game : Alan Turing, the enigma / Andrew Hodges ; with a foreword by Douglas Hofstadter and a new preface by the author. - 1 volume ; 23 cm. ISBN: 9780691164724 Subjects--Personal Names: Turing, Alan, 1912-1954. Subjects--Topical Terms: Mathematicians--Great Britain--Biography.