As of today, Photographer’s Guide to the Nikon Coolpix P510 is available in downloadable formats for the Barnes & Noble Nook reader and the Apple iPad, iPhone, and iPod Touch. These editions are both in the ePub format, and they contain all of the content of the print and PDF editions, but they are optimized to use the features of the Nook and Apple devices. Either format is available now for $9.99. You can find them by searching at BN.com or through the iTunes Store, or by using the links below:

Photographer’s Guide to the Nikon Coolpix P510 for Nook reader

Photographer’s Guide to the Nikon Coolpix P510 for iPad and other Apple devices