Wallace Arthur is a professor of zoology at the National University of Ireland, Galway. The author of books including Creatures of Accident, he also serves as European editor of the journal Evolution and Development.
Farrar, Straus and Giroux
Hill and Wang
The most important aspect of evolution, from a philosophical viewpoint, is the rise of complex, advanced creatures from simple, primitive ones. This "vertical" dimension of evolution has been downplayed...