In this update of the 2004 edition, Martin, who has photographed seemingly everywhere including notably the mountains of the U.S. West, addresses those making the switch from film to digital cameras. Stressing that the old rules still apply, he offers tips on digital equipment and computer image editing of outdoor photos. He has also written award-winning science books, one with noted photographer Art Wolfe. The guide includes a glossary, resources, and of course, color photos. Annotation ©2008 Book News, Inc., Portland, OR (booknews.com)