Bob "Dr. Mac" LeVitus has written more than 38 computer books that have sold over a million copies worldwide, among them Mac OS X For Dummies, The Little iTunes Book, and the previous edition of Dr. Mac: The OS X Files. He is currently the Macintosh columnist for the Houston Chronicle, "head forum geek" at OSFAQ.com, and host of the weekly Inside Mac Radio Show on KNEW in San Francisco. Bob lives in Austin, Texas, with his wife Lisa, their son and daughter, and assorted furred, feathered, and scaly housemates.