Barbara Obermeier (Ventura, CA) is principal of Obermeier Design, a graphic design studio in California. The author of Photoshop 7 All-in-One Desk Reference For Dummies and Adobe Master Class: Illustrator Illuminated (Peachpit) and co-author of several Dummies books including Photoshop 7 For Dummies, Illustrator 10 For Dummies, and CorelDRAW 9 For Dummies. She has contributed as a writer, technical editor, or layout designer for 16 books. Barb also teaches computer graphics at Ventura College and the University of California, Santa Barbara.