How the body responds to high altitude--the classic study revised for the latest scientific findings. Cutting-edge information on how to prevent, diagnose, and treat altitude illness and hypoxia in everyday life.[...]
Do you wish you had the most essential information you need to shoot compelling photos using your digital camera's built-in or add-on electronic flash? DAVID BUSCH'S FLASH PHOTOGRAPHY COMPACT FIELD GUIDE is your solution. This new, lay-flat, spiral-bound, reference guide condenses all the must-have [...]