Michael E. Cohen (Santa Monica, CA) has been straddling the Great Divide between the humanities and the sciences for almost 30 years. He is a pioneer developer of instructional writing software and electronic books, a co-founder of a major university's humanities computing center, and a three-time contributing editor to the Macintosh Bible. He is also co-author of Teach Yourself VISUALLY iLife ’04 and The Mac Xcode 2 Book.