Bob LeVitus, often referred to as "Dr. Mac," has been considered one of the world's leading authorities on the Macintosh and Mac OS for nearly twenty years. A prolific author, LeVitus has sold millions of books worldwide in a dozen languages. His recent titles include: GarageBand For Dummies and Mac OS X Tiger For Dummies. He also pens columns for the Houston Chronicle newspaper and the MacObserver Web site. His hobbies include playing guitar with the infamous Macworld All-Star Band, engineering his own audio recordings, and filmmaking. LeVitus also has a Macintosh computing consultancy that offers expert technical help, training, and pre-purchase advice to Mac users via phone, e-mail, and/or Internet-enabled remote control software. For the latest information on Bob "Dr. Mac" LeVitus please visit http://www.boblevitus.com.