J. B. S. Haldane 
Heredity and Politics [PDF ebook] 

This book, first published in 1938, is based on the Muirhead Lectures given at Birmingham University in February and March of 1937. The first half of this book is mainly devoted to an exposition of the principles of genetics, whilst the second half deals with more controversial topics, with the text providing an insight into the ideology of the time. This title will be of interest to students of politics and history.