Frankfurt am Main 2006, hardcover., 646 pages, 251 colour illustrations., 164 b/w ill. and 23 maps. With chapters by Daniela Schwarz (Origin and Evolution of Crocodilians), Karlheinz Fuchs (Skin and Skinelements and Tanning Crocodilian Skins) and Hemmo Nickel (Systematics of Modern Crocodilians). Trutnau and Sommerladhave beeninvolved in crocodilian conservation for many years (Tomistoma task Force z.B.), and have longtime experience in keeping and breeding crocodilians as well as the the knowledge of manyyears studying crocs in the wild. Foreword by Graham Webb.