A fully illustrated expert guide to over 350 mammals, amphibians and reptiles of the United States, Canada and South America.

Presents a comprehensive guide to reptiles and amphibians of North America, and contains full-color illustrated photographs and drawings that describe eighty-two species, their body structure, habitats, and much more.

The biological sciences cover a broad array of literature types, from younger fields like molecular biology with its reliance on recent journal articles, genomic databases, and protocol manuals to classic fields such as taxonomy with its scattered literature found in monographs and journals from the past three centuries. Using the

The beauty and drama of the bird world brought to breathtaking life in ebook format From hummingbirds weighing less than a coin to monkey-eating eagles this is a unique celebration of birds, photographed and studied in their natural environments around the world. Explore the complete bird story: from their origins

A palliative care doctor on the front lines of hospital care illuminates one of the most important and controversial ethical issues of our time on his quest to transform care through the end of life. It is harder to die in this country than ever before. Statistics show that the