Download or read book What Evolution Is written by Ernst Mayr and published by . This book was released on 2001 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: A pillar of evolutionary biology, Mayr (comparative zoology, Harvard U.) writes for three types of readers: anyone, biologist or not, who wants to know more about evolution; those who accept evolution but doubt the Darwinian explanation of it; and creationists who want to learn more about it even if only to challenge it better.