David Busch's Sony Alpha NEX-5/NEX-3 Guide to Digital Photography is an excellent guide book that takes you through this system from A-Z. These are sophisticated cameras that have been packed into more compact bodies yet contain an amazing amount of functions.
Aside from fast auto focus, these cameras feature the real-time preview system Live View. More than this, you'll learn when, where and, most importantly, how to use the buttons and features contained within this incredible machine. The book is filled with tips and technical information that will help you achieve better images with less effort. Surely this will rapidly become your handy reference book that you carry in your gear bag.
About the Author: With more than a million books in print, David D. Busch is the world's #1 selling digital camera guide author, and the originator of popular digital photography series like David Busch's Pro Secrets and David Busch's Quick Snap Guides.
He has written nearly two-dozen hugely successful guidebooks for a wide variety of digital camera models, as well as many popular books devoted to DSLRs, including Mastering Digital SLR Photography, Second Edition and Digital SLR Pro Secrets. As a roving photojournalist for more than 20 years, he illustrated his books, magazine articles, and newspaper reports with award-winning images. He's operated his own commercial studio, suffocated in formal dress while shooting weddings-for-hire, and shot sports for a daily newspaper and upstate New York college.
His photos and articles have been published in Popular Photography & Imaging, Rangefinder, The Professional Photographer, and hundreds of other publications. He's also reviewed dozens of digital cameras for CNet and Computer Shopper. His advice has been featured on National Public Radio's All Tech Considered.