Crocodilian's their natural history & captive husbandry

TRUTNAU, L., SOMMERLAD, R.: 
Crocodilians - Their Natural History & Captive Husbandry
Frankfort 2006, HC, 646 pp., 251 full-colour ills., 164 B&W ills. 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 Sommerlad have been involved into crocodylian conservation for many years (Tomistoma task Force f.e.), and they have got long-time experience in keeping and breeding crocodilians as well as the the knowledge gained from studying crocs for many times in the wild.