The second edition of "The Plants of Pennsylvania" is the authoritative guide to identifying the nearly 3,400 species of flowering plants, ferns, and gymnosperms native or naturalized in the Commonwealth. It features a complete reorganization into a genetic scheme that reflects recent advances in our understanding of plant relationships.

21,683円

The Plants of Pennsylvania: …

Review quote "An excellent handbook which covers all aspects of coronary heart disease and will serve as a very useful reference for nurses working in primary and secondary health prevention.

17,723円

Coronary Heart Disease Preve…

Examines the family trees, behavior and habitats of more than 200 common species of mammals in North America.

1,336円

Mammals: A Fully Illustrated…

17,723円

A History of Florida Forests

8,676円

Millipedes and Moon Tigers: …

25,907円

Mushrooms of the Southeaster…

10,084円

Coming Into Contact: Explora…

4,752円

The Story of Corn

11,264円

From Tools to Symbols: From …

26,928円

Manual of the Vascular Flora…

This is the long-awaited second volume of Godfrey and Wooten's definitive survey of aquatic and wetland plants of the southeastern United States. It focuses on native and naturalized dicotyledons of the region and provides well-written, concise descriptions and keys for the identification of 1,084 species. A glossary of terms, list of references, separate indexes of common and scientific names, and nearly 400 well-executed drawings complete the volume.The first comprehensive survey of the aquatic and wetland plants of the Southeast, the Godfrey and Wooten volumes will prove invaluable to botanists, ecologists, college students, government agencies involved in land-use management, and nonspecialists interested in the plant life and ecology of the region.

37,980円

Aquatic and Wetland Plants o…

The Bartletts' guide to the alligators, crocodiles, turtles, and lizards of eastern and central North America features all 207 species inhabiting the region from west Texas, to western Manitoba, to the eastern seaboard. Each species account is accompanied by a color photo, distribution map, and description including appearance, behavior, range, habitat, and prey. Some introduced species covered in the "Guide," such as the large and predatory Nile monitor and spectacled caiman, illuminate ever-worsening environmental and ecological conditions, particularly in Florida and Texas. This authoritative and user-friendly reference will appeal to hobbyists, amateur naturalists, biologists, and herpetologists seeking a focused, detailed, well-organized, and richly illustrated field guide.

4,752円

Guide and Reference to the C…

Originally published in 1899, this is the unabridged republication of the 16th enlarged edition: Mechanical movements, powers, and devices. New York: Norman W. Henley Pub., 1921.

3,960円

1800 Mechanical Movements: D…

10,964円

Fundamentals of Solid-State …

25,766円

Visualizing Quaternions

In an age too often marked by anxiety and pessimism, the worlds leading scientific thinkers offer their hopeful visions for the future.

2,851円

What Are You Optimistic Abou…

This field guide features the wildflowers in the heart of the Applachians, from Shenandoah National Park to the Catskill Mountains of New York. Full-color examples throughout make it easy to identify and enjoy the rich flower life of the eastern upland meadows and forests.

3,960円

Central Appalachian Wildflow…

Harvard professor Stephen J. Gould, on CNN's Crossfire in November of 1999, said no legitimate scientist in the world believes the Genesis account of creation. So the question was posed, Would any educated, self-respecting scientist with a PhD advocate a literal interpretation of the six days of creation? Its hard enough to find a theologian who adheres to such a credo. Most Christians will say that they believe the Bible yet balk at its first chapters, claiming that science proves the creation account cannot be considered as fact. Do these people realize that science can neither prove nor disprove evolution any more than it can creation? Certainly there are no human eyewitness accounts of either.

2,692円

In Six Days

Easily the most influential book published in the nineteenth century, Darwin's "The Origin of Species is also that most unusual phenomenon, an altogether readable discussion of a scientific subject. On its appearance in 1859 it was immediately recognized by enthusiasts and detractors alike as a work of the greatest importance: the revolutionary theory of evolution by means of natural selection that it presented provoked a furious reaction that continues to this day. "The Origin of Species is here published together with Darwin's earlier "Voyage of the 'Beagle'. This 1839 account of the journeys to South America and the Pacific islands that first put Darwin on the track of his remarkable theories derives an added charm from his vivid description of his travels in exotic places and his eye for the piquant detail.

6,336円

The Origin of Species and th…

3,168円

Chicken Coops: 45 Building I…

In "The End of Certainty", world-renowned chemist Ilya Prigogine draws together probability and certainty, Einstein and Shakespeare, and chaos and complexity to explain why our fundamental beliefs about time are wrong. Prigogine's work formulates a groundbreaking link between instability and chaos and the evolutionary framework in which we exist. Illustrations. Glossary.

4,593円

The End of Certainty

This book is a helpful guide to identifying 500 species of Florida plant life, including rare as well as common wild flowers and characteristic trees, shrubs, vines, and ferns. Each description includes both common and scientific names, a range map, symbols to show the season of bloom, and a useful summary code of nine key plant, leaf, and flower characters, to aid in identification. With rich color photographs and brief, nontechnical notes to accompany each species, this handbook is a valuable reference for tourists, residents, students, and anyone interested in plants in all seasons of the year, from Pensacola to the Keys.

6,336円

Florida Wild Flowers: And Ro…

This classic undergraduate treatment examines the deductive method in its first part and explores applications of logic and methodology in constructing mathematical theories in its second part. Exercises appear throughout.

2,059円

INTRODUCTION TO LOGIC

Animal Behavior" looks at the fascinating activities of animals as they progress from birth to maturity-how they attract a mate and care for their young, find shelter and food, defend themselves, navigate sometimes vast distances and survive the many challenges of life.Written by a team of international experts, this beautiful book is full of examples drawn from the activities of all types of animals-mammals, birds, reptiles, fish, and insects. The relationships animals have with other animals-those on whom they depend, those whom they must repel-are a major element in their activities. More than a source of beauty and wonder, animals' behavior is important to the earth's ecological balance, and thus a key to the vitality of the planet.

8,060円

Animal Behavior

This practical handbook provides the reader with enough background and specific information to begin conducting thermal analysis and to participate in the thermal design of spacecraft systems.

22,862円

Spacecraft Thermal Control H…

This handy, accurate, and easily used key to fruit and twig identification features over 350 photographs depicting nearly every twig and fruit described. This exceptional work is a valuable tool and instructor to the naturalist, woodsman, farmer, or anyone who has wondered about the name of a leafless tree in winter or been intrigued by an interestingly shaped fruit or seed.

1,336円

Fruit Key and Twig Key to Tr…

From the author of Women, Sex, and Addiction, a timely and controversial second look at 12-step programs, helping all readers to draw on the steps' underlying wisdom, adapting them to their own experiences, beliefs, and sources of strength.

3,168円

Many Roads One Journey: Movi…

The Bartletts' guide to amphibians provides up-to-date accounts, range maps, and photos of the 239 recognized species and subspecies of frogs, toads, treefrogs, and salamanders found in eastern and central North America, from west Texas to Manitoba, to the eastern seaboard. Species descriptions are grouped by family, and each entry details size, appearance, behavior, range/habitat, prey, and similar species. For ease of use, description, map, and color photo are organized on the same page. In the general introduction, the authors provide an overview of taxonomy, habitats, and population trends, including species in decline. Devoted solely to amphibians, this authoritative and user-friendly guide will appeal to a broad range of users, from hobbyists and amateur naturalists wanting to quickly identify neighborhood frogs to biologists and herpetologists seeking a focused, well-organized and detailed, fully illustrated field guide.

4,752円

Guide and Reference to the A…

3,960円

Bats of Florida

In this masterfully written and brilliantly informed work, Dr. Rhorne, the Feynman Professor of Theoretical Physics at Caltech, leads readers through an elegant, always human, tapestry of interlocking themes, answering the great question: what principles control our universe and why do physicists think they know what they know? Features an introduction by Stephen Hawking.

3,168円

Black Holes & Time Warps: Ei…

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