One of few strategy books worth reading.

If you will have to read ONE strategy book in your life, this is it. Excellent overview and introduction to different schools with pros and cons. Sometimes a bit sarcastic, but that only makes it readable. If you're an aspiring MBA student; read this and you'll even find the strategy courses funny and easy. If you're an practitioner; read this and learn how to see through all your quick-fix consultants that shows up with a new strategy model every now and then.

In Short: an extremely useful and interesting book.