A short but highly informative read. This book is a good introduction to many different subjects that won't fail to trigger most readers' interest in further readings. It's a quick survey on the theory and practice of modern genocide that, in spite of its relative shortness, manages to provide plenty of information about the main genocidal episodes of the 20th century (Armenia, USSR, Holocaust, Cambodia, Rwanda and Bosnia)
and - particularly in the introduction and first chapter - their cultural and historical background. The writing is excellent, neither dry nor sensationalistic, and while it can't be called scholarly the author's style is far from being conversational. Definitely recommended.