The Princeton Field Guide to PterosaursThe most up to date and authoritative illustrated guide to the marvellous flying reptiles that dominated the skies of the Mesozoic for 160 million years Once seen by some as evolutionary dead enders, pterosaurs were vigorous winged reptiles capable of thriving in an array of habitats and climates, including polar winters. The Princeton Field Guide to Pterosaurs transforms our understanding of these great Mesozoic archosaurs of the air. This incredible