Full AspenCat Catalog

This edition includes 100 color photographs of tracks and sign, more than 1,000 line drawings, and updated nomenclature for all the mammals of North America. The text includes descriptions of habits, habitats, tracks, signs, and ranges and is filled with natural history stories.

Traces the history of Colorado's Indians from the early bison hunters and the rise of the Plains culture to the continuing attempts to maintain Indian identity in the American society.

"From the author of 1491--the best-selling study of the pre-Columbian Americas--a deeply engaging new history that explores the most momentous biological event since the death of the dinosaurs. More than 200 million years ago, geological forces split apart the continents. Isolated from each other, the two halves of the world developed totally different suites of plants and animals. Columbus's voyages brought them back together--and marked the beginning...

"Every year, novice climbers and experts are injured or killed by inadequate preparation and errors in judgment. Since 1948, the American Alpine Club has documented the year’s most teachable climbing accidents, providing invaluable lessons to climbers. In Accidents in North American Climbing, each incident is carefully analyzed so climbers can avoid similar situations in the future. In our "Know the Ropes" and "Essentials" sections, professional...

Millions of birdwatchers, gardeners, and hikers are discovering the pleasures of identifying butterflies. The ideal guide for nature lovers everywhere is this exciting addition to the Kaufman Focus Guide family, the only single-volume pocket guide that offers a complete and accurate reference to North American butterflies. Modeled on the best-selling Birds of North America, the first Kaufman Focus Guide, Butterflies of North America follows the groundbreaking...

"On March 8, 1421, the largest fleet the world had ever seen set sail from China. Its mission was "to proceed all the way to the ends of the earth to collect tribute from the barbarians beyond the seas" and unite the whole world in Confucian harmony.". "When it returned in October 1423, the emperor had fallen, leaving China in political and economic chaos. The great ships were left to rot at their moorings and the records of their journeys were destroyed....

National Wildlife Federations new all-photographic field guide to North American insects, spiders, and related species, is the most up-to-date of its kind, and lets both amateur and expert naturalists identify more than 940 species quickly and accurately. More than 2,000 close-up color photographs by leading nature photographers reveal the field marks that distinguish each creature, and the clear and concise text that accompanies each image describes...