[.ca] The Origins of the First and Second World Wars (ISBN 0521568617)

A good introduction to a vast subject.:
This is a very short book on such a huge theme... The book presents the reasons for both wars as an strategic decision by the rulers of Germany. It makes a very good case, of the connection between the reasons for both wars. Due to its size it is not very detailed, but still is very interesting. The author has included excerpts of historical documents that are related to the reasoning developed in the book. It is a good book to start understanding why these two wars happened.