Animals Without Backbones has been considered a classic among biology textbooks since it was first published to great acclaim in 1938. It was the first biology textbook ever reviewed by Time and was also featured with illustrations in Life. Harvard, Stanford, the University of Chicago, and more than eighty other colleges and universities adopted it for use in courses. Since then, its clear explanations and ample illustrations have continued to introduce...

This eBook is best viewed on a color device. Enjoy and Learn! Expert Knowledge! Easy-to-Read! This introduction to the diverse yet little known world of spiders is packed with concise, accurate information. With full-color pictures and readable text, this guide identifies representative species and describes: Their characteristics and habits Growth, courtship and enemies Where they are found Includes information on poisonous species and how to...

"Eels [is] more than a fish book. It is an impassioned defense of nature itself. . . . [Prosek] passes on the truth that the often disdained eel, like all migratory fish, is vital and mysterious and worthy of our full effort to bring it back."   - New York Times Book Review "A wonderful account of far-flung travels in pursuit of the secrets of the earth's most mysterious fish. . . . Fascinating and beautifully rendered." - Peter Matthiessen Famous...

Much new material has been added to this revised edition. This covers angling experiences, methods of fishing, flies, lures, lines, leaders and other things. When Trout was first published spinning had not been introduced in the United States. Since that time it has become very popular and I took up the method at once. There are two lengthy and complete chapters on this method of fishing. They cover tackle, methods, and experiences.

'A truly excellent account' British Wildlife Beetles are arguably the most diverse organisms in the world, with nearly half a million beetle species described and catalogued in our museums, more than any other type of living thing. This astonishing species diversity is matched by a similar diversity in shape, form, size, life history, ecology, physiology and behavior. Beetles occur everywhere, and do everything. And yet they form a clearly discrete...