Educational and entertaining pocket field guide provides a simplified introduction to the different types of volcanoes, lava flows, pyroclastic flows and the rocks that are formed as a result of eruption. Will appeal equally to novice vulcanologists and students of geology and geography. A perfect pocket reference for the traveller. Printed on an innovative waterproof, rip-proof paper, this guide is built to last and ideal for field use by novices and experts alike.

Offers expert instruction and in-the-field advice for the novice and experienced tracker Tracking wildlife successfully requires more than just looking for trails and scat. It requires an awareness of how an animal behaves in its environment--how it finds food, travels, and rests. A tracker must know how to find and interpret behavioral clues animals leave behind. This how-to book teaches the basics of being a successful tracker--explaining what to look for to find or identify an animal and how to develop an essential environmental awareness. Also describes aging tracks and sign, understanding ecology and mapping, keeping...

California's geology makes headlines when faults shift, volcanoes puff steam, and coastal bluffs fall into the sea. The latest edition of this popular book explores the state's recent rumblings and tremulous past with the aid of full color illustrations. Spectacular photographs showcase multihued rock, from red chert and green serpentinite to blue schist and gray granite. The color geologic road maps, based on the 2010 Geologic Map of California, are detailed and easy to read. The geologic information, particularly for the Klamath Mountains, Modoc Plateau, and northern Sierra Nevada, has been updated to reflect the more recent geologic...