Written by the director of the Utah Avalanche Center, thisbook will teach you how to recognise dangerous snowconditions, and what to do if you are in avalanche terrain.

    Hilarious and practical information about the art of backpacking from two NOLS instructors.

    Get ready to unthink what you thought you knew and journey into the deep, dark depths of the Jurassic.The discovery of the first feathered dinosaur in China in 1996 sent shockwaves through the palaeontological world. Were the feathers part of a complex mating ritual, or a stepping stone in the evolution of flight? And just how closely related is T. rex to a chicken? Award-winning journalist John Pickrell reveals how dinosaurs developed flight and became the birds in our backyards. He delves into the latest discoveries in China, the US, Europe and uncovers a thriving black market in fossils and infighting between dinosaur hunters, plus the controversial plan to use a chicken to bring dinosaurs back from the dead.

    Experienced birders use the most easily observed characteristics — size, structure, behavior, and general color patterns — to identify birds even before looking carefully at plumage details. Now birders at all levels can learn how to identify shorebirds quickly and simply. This guide includes more than 870 stunning color photographs, starting with a general impression of the species and progressing to more detailed images of the bird throughout its life cycle. Quiz questions in the captions will engage and challenge all birders and help them benefit from this simplified, commonsense approach to identification.

    According to revolutionary new research, some birds rival primates and even humans in their remarkable forms of intelligence. In The Genius of Birds, acclaimed author Jennifer Ackerman explores their newly discovered brilliance and how it came about. As she travels around the world to the most cutting-edge frontiers of research, Ackerman not only tells the story of the recently uncovered genius of birds but also delves deeply into the latest findings about the bird brain itself that are shifting our view of what it means to be intelligent. At once personal yet scientific, richly informative and beautifully written, The Genius of Birds celebrates the triumphs of these surprising and fiercely intelligent creatures.

    Covering everything from snail sex to the manufacture of synthetic slug slime, Gordon takes us on a journey through the languid and magical world of these charismatic invertebrates. From essays like Grow Your Own Escargot to indispensable gardening tips, this book is chock-full of information on the much-maligned mollusks. Whether removing non-native slugs from your garden or following a native snail as it meanders across the forest floor, you'll never look at these underdogs the same way again. David George Gordon is the author of nineteen books about the natural world, including the best-selling Eat-a-Bug Cookbook and The Compleat Cockroach. Karen Luke Fildes is an accomplished artist who has studied at both the Art Institute of Seattle and Chapman University. Both live in Seattle.

    With all the plants conveniently organized by season, enthusiasts will find it very simple to locate and identify their desired ingredients. Each entry includes images, plus facts on the plant’s habitat, physical properties, harvesting, preparation, and poisonous look-alikes. The introduction contains tempting recipes and there’s a quick-reference seasonal key for each plant.“Season-by-season guide to identification, harvest, and preparation of more than 200 common edible plants to be found in the wild....Hundreds of edible species are included....[This] handy paperback guide includes jelly, jam, and pie recipes, a seasonal key to plants, [and a] chart listing nutritional contents.”—Booklist. “[Five hundred] beautiful color photographs...temptingly arranged.”—The Library Letter

    Featuring over 450 specially commissioned photographs and information-rich text, this book illustrates each stone's unique characteristics and explains its relationship to humankind through the ages.

    These gorgeously illustrated graphic novels offer wildly entertaining views of their subjects. Whether you're a fourth grader doing a natural science unit at school or a thirty year old with a secret passion for airplanes, these books are for you!This volume: In Bats, we follow a little brown bat whose wing is injured by humans on a nature hike. He is taken to a bat rehabilitation center where he meets many different species of bats. They teach him how they fly, what they eat, and where they like to live.

    More than 2,000 stunning images show these trees in their natural habitats. Other features include: a unique identification tip for each tree; range maps showing distribution in North America; How to Identify a Tree section; a detailed glossary of tree parts and leaf, fruit, flower, and bark types; essays on ecology, conservation, and North America’s important forest types; plus a complex species and quick-flip indexes. The guide’s unique waterproof cover makes it especially valuable for use in the field.

    But according to naturalist Candace Savage, “bird brain,” as a pejorative expression, should be rendered obsolete by new research on the family of corvids: crows and their close relations.The ancients who regarded these remarkable birds as oracles, bringers of wisdom, or agents of vengeance were on the right track, for corvids appear to have powers of abstraction, memory, and creativity that put them on a par with many mammals, even higher primates. Bird Brains presents these bright, brassy, and surprisingly colorful birds in a remarkable collection of full-color, close-up photographs by some two dozen of the world’s best wildlife photographers.Savage’s lively, authoritative text describes the life and behavior of sixteen representative corvid species that inhabit North America and Europe. Drawing on recent research, she describes birds that recognize each other as individuals, call one another by “name,” remember and relocate thousands of hidden food caches, engage in true teamwork and purposeful play, and generally exhibit an extraordinary degree of sophistication.

    A guide to 32 of the best and most common edible wild plants in North America, with detailed information on how to identify them, where they are found, how and when they are harvested, which parts are used, how they are prepared, as well as their culinary use, ecology, conservation, and cultural history.

    The answers will surprise and delight you as Alexandra Horowitz, a cognitive scientist, explains how dogs perceive their daily worlds, each other, and that other quirky animal, the human.Temple Grandin meets Stephen Pinker in this engaging and informative look at what goes on inside the minds of dogs—from a cognitive scientist with a background at The New Yorker.With more than 52 million pet dogs in America today, it’s clear we are a nation of unabashed dog-lovers. Yet the relationship between dogs and humans remains a fascinating mystery, as no one really knows what goes on in the canine mind. Now, in Inside of a Dog, Alexandra Horowitz fuses her perspectives as both scientist and dog-owner to deliver a fresh look at the world of dogs—as seen from the animal’s point of view. Inspired by her years of living with her own dog, Pumpernickel, who was a constant source of delight and mystery, Horowitz’s mind became filled with questions and ideas. In crisp, clear prose, she draws on her research in the field of dog cognition to give readers a sense of a dog’s perceptual and cognitive abilities—and paints a picture of what the canine experience is like. Horowitz’s own scientific journey, and the insights she uncovered, allowed her to understand her dog better and appreciate her more.Containing up-to-the minute research and providing many moments of dog-behavior recognition, this lively and absorbing book helps dog owners to see their best friend’s behavior in a different, and revealing light, allowing them to understand their pets and enjoy their company even more.

    In transcribing the 150-year-old manuscript’s cryptic handwriting and complex notations, Thoreau specialist Bradley Dean has performed a "heroic feat of decipherment" (Booklist) to bring this great work to light. Readers will discover "passages that reach for the transcendentalist ideal of writing new scriptures, yet grounding this Bible in a vision of practical ecology" (Boston). Beautifully illustrated throughout with line drawings of the natural life Thoreau considers on his walks, Wild Fruits is "well worth any nature lover’s attention" (Christian Science Monitor).

    and Canada east of the Rockies.