Sonja van Driel at Flashography

Sonja van Driel is an international author of instruction books and course material related to (flash) photography. 
You will find the essential learning tools to take outstanding flash photos. Shooting in backlight, bright or low light? Photographing models, still lifes or fast-moving subjects? Indoors or outdoors? You will be guided through the steps and settings necessary to get a grip on your flashgun in any situation, effortlessly.
Books and courses in Dutch: www.sonjavandriel.nl.
Books and courses in English and French: www.flashography.com
http://www.flashography.com