"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...

Offers advice on observing and identifying these marine mammals, and describes characteristics, behavior, and range for a variety of species.

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...

Unearth a treasure trove of knowledge on over 130 gemstones from around the world. Learn how gemstones are formed and how to recognize them by their unique qualities and colors. It's a wonderful book for beginners, students and gemstone-enthusiasts that includes the latest scientific research and specimen classification. Handbook of Gemstones is filled with all you need to know about the fascinating world of gemstones -- cut and uncut stones, organic...

A highly visual introduction explains the basic concepts of astronomy and gives advice on the best methods and equipment for observation, including binoculars and telescopes. Each of the planets in the Solar System is described and illustrated in detail, with images taken from space probes as well as from the ground, showing them as you can expect to see them. More than 160 star charts were made especially for this book by the Royal Greenwich Observatory....