Book excerpt: With Kalahari Phototips, photographers will learn how to master nature photography in arid regions in the company of Hannes Lochner, the world's acknowledged expert in Kalahari nature photography. The book is organised in the highly successful Phototips format. It begins with an introduction to the arid ecosystem of the Kalahari and the flora and fauna it nurtures, and then moves chapter by chapter through the various 'tips'. Go out and discover the beauty and ambience of this unique desert environment!