Book excerpt: Renowned Mac columnists Andy Ihnatko and David Plotkin deliver a fun, informative, full-color guide to iPhoto, Apple's hot digital photo-editing application. Digital camera users more than doubled last year to nearly nine million, and iPhoto is the most popular the four multimedia applications that make up Apple's "digital hub." Ihnatko and Plotkin show this exploding market of digital photographers how to make the most of iPhoto, and review how iPhoto has been designed to work seamlessly with the other iLife applications. * A fun, indispensable guide to the Mac OS X image-editing tool, written in cooperation with Apple Computer, Inc., which also covers iPhoto 4 * Written in a witty, conversational style, this book appeals to Mac users' sense of individuality and offers real-world tips and techniques to help readers get the most out of Apple technologies * Goes the extra mile to engage readers and make them feel as though the book is not only technically valuable, but a good read as well