Celebrating the 150th anniversary of the publication of "On the Origin of Species", this celebration of evolutionary development combines beautiful photographs of plants and animals with a clear, concept-based text to express Darwin's greatest discovery to a general audience in a unique and vivid manner. 2009 marks the 150th anniversary of Charles Darwin's "On the Origin of Species", as well as the bicentennial of Darwin's birth. To commemorate Darwin's greatest discovery, "Evidence of Evolution" uses exquisite images by distinguished nature photographer Susan Middleton to reveal patterns of evolutionary development in animals and plants. These photographs, of remarkable specimens from the collections of the California Academy of Sciences in San Francisco, are accompanied by a clear, accessible overview of the key evolutionary concepts that explain life on Earth, by science writer Mary Ellen Hannibal. Virtually a natural history museum in a book, "Evidence of Evolution" expresses the power and beauty of Darwin's vision.