A startling and superbly researched book demythologizing the North’s role in American slavery“The hardest question is what to do when human rights give way to profits. . . . Complicity is a story of the skeletons that remain in this nation’s closet.”—San Francisco ChronicleThe North’s profit from—indeed, dependence on—slavery has mostly been a shameful and well-kept secret . . . until now. Complicity reveals the c...

An orphan leaves Dark Ages London to study medicine in Persia in this "adventurous and inspiring" historical novel from a New York Times– bestselling author ( Library Journal )."Rich in incident and vivid in historical detail, [ The Physician ] is a pleasure." —( The New York Times ).

A new edition to celebrate Alan Turing's centenary, includes a new foreword by the author and a preface by Douglas Hofstadter.Alan Turing was the extraordinary Cambridge mathematician who masterminded the cracking of the German Enigma ciphers and transformed the Second World War. But his vision went far beyond this crucial achievement. Before the war he had formulated the concept of the universal machine, and in 1945 he turned this into the first design for a digital computer....