' ... a book which will rank with The Genetical Theory of Natural Selection and The Causes of Evolution as a milestone in evolutionary biology.' Nature
'I have enjoyed the book immensely. It is argumentatively written, but always with fair presentation of the other side.' Bid Essays
'... a work of great significance, which should be read by everyone with a serious interest in evolution.' New Scientist
'... this book is a major contribution to the field.' The Times Higher Education Supplement
Motoo Kimura, as founder of the neutral theory, is uniquely placed to write this book. He first proposed the theory in 1968 to explain the unexpectedly high rate of evolutionary change and very large amount of intraspecific variability at the molecular level that had been uncovered by new techniques in molecular biology.