"Unearth a treasure trove of knowledge about the rocks and minerals beneath our feet--from their formation to collecting them. Make identification easy and accurate with this compact visual guide, packed with photographs and details on formation, distinguishing features, and much more. Over 600 high-quality photographs capture the unique characteristics, colors, and attributes of more than 500 rocks and minerals. Each specimen's entry includes annotated...

"Covering 20 species recognized since 2002 and including 13 new color plates, this fully revised edition of Mammals of North America illustrates all 462 known mammal species in the United States and Canada - each in beautiful color and accurate detail. With a more up-to-date species list than any other guide, improved facing-page descriptions, easier-to-read distribution maps, updated common and scientific names, and track and scat illustrations,...

David L. Wagner is Associate Professor of Ecology and Evolutionary Biology at the University of Connecticut. He is coauthor of two United States Forest Service guides, Caterpillars of Eastern Forests and Geometroid Caterpillars of Northeastern and Appalachian Forests. This lavishly illustrated guide will enable you to identify the caterpillars of nearly 700 butterflies and moths found east of the Mississippi. The more than 1,200 color photographs...

"Since it was first published a decade ago, Birds of Europe has become the definitive field guide to the diverse birdlife found in Europe. Now this superb guide has been brought fully up to date with revised text and maps along with added illustrations. Uniquely designed for easy use in the field, this expanded edition covers all 772 species found in the region as well as 32 introduced species or variants and 118 very rare visitors. Detailed species...

"The bestselling Princeton Field Guide to Dinosaurs remains the must-have book for anyone who loves dinosaurs, from amateur enthusiasts to professional paleontologists. Now extensively revised and expanded, this dazzlingly illustrated large-format edition features nearly 100 new dinosaur species and hundreds of new and updated illustrations, bringing readers up to the minute on the latest discoveries and research that are radically transforming what...