A guide to seashells from around the world provides color photographs and concise descriptions of more than 500 species of seashells.

"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...

"The clearest and sharpest definition guide to over 500 species of trees from around the world. Packed with more than 1,600 photographs and illustrations with precise annotations to make identification sure and simple. In this fully revised and updated edition, concise and jargo-free text pinpoints the key characteristics of each species and provides quick, accessible information"--

Packed with more than seven hundred full-color illustrations, this definitive pocket guide paints a vivid portrait of extraordinary dinosaurs and prehistoric animals, and the ecosystems they lived in millions of years ago. This guide features authoritative text, crystal-clear illustrations, and a straightforward approach to revealing the fascinating lives and habitats of dinosaurs, pterosaurs, marine reptiles, and prehistoric beasts. The introductory...