Sara Lippincott is a free-lance editor specializing in nonfiction, particularly in books about science for the general public. For ten years, from 1982 to 1993, she was a nonfiction editor at The New Yorker. In 1993 she moved to Pasadena, where she became a lecturer in the creative writing program at Caltech and an assistant editor of the Los Angeles Times Book Review. She has edited more than a hundred books, including such best sellers as Bill Bradley’s Time Present, Time Past, Lawrence Krauss’s The Physics of Star Trek, Timothy Ferris’s The Whole Shebang, Lee Smolin’s The Trouble with Physics, and John McPhee’s Pulitzer Prize–winning Annals of the Former World.