The remarkable advances in genetics during the last 50 years have prompted an out- pouring of books and articles about the sci- ence. Along with journalists, many of the more prominent researchers have weighed in with books for the general reader. This has proved to be a mixed blessing. While throwing consider- able light on a complicated science, the array of books can be bewildering. While a number of these may seem to be about genetics-in- eluding Francois Jacob's The Logic of Life (Pantheon,...