<div><p>Dr Ian Stirling, the best known polar bear scientist in the world, compresses the major new discoveries of the last 40 years of research on this iconic mammal into a new easily readable and scientifically comprehensive book about the ecology and natural history of polar bears.  He explains how polar bears evolved, how they were researched, aspects of their behaviour and how the threat of global warming is jeopardizing the survival of this magnificent hunter.</p></div>