Steve Ingraham has called himself a birder for over 30 years, and for more than a decade was The Birder at ZEISS Sports Optics, representing ZEISS to birders, but more importantly, representing birders to ZEISS. This book is an elaboration of a work shop he has give at birding and nature festivals all over the US, internationally on occasion. It is published free, under a Creative Commons License, which means you are free to download and share it…even to print a copy, as long as you do not profit from it any way. (Except of course for your own growth as a birder 🙂 Steve also wrote the book on Point and Shoot Nature Photography.