From a review on Amazon - "This book helped considerably to fill the void in my knowledge. Nunn gives an overview of each major variation (including some lesser played sidelines) and indicates the corresponding plans for White and Black. He backs up this discussion with game examples as well as some fairly deep analysis.

The book is not perfect. By trying to cover all major variations in one book, Nunn obviously sacrifices depth of analysis in some lines. For example the chapter on the Dragon variation could have used more depth. On the other hand, the Dragon variation alone has been the topic of entire books, so one can't fault Nunn entirely here.

Nunn's writing style is clear and concise and for the most part his analysis is objective. The book is easy to navigate and the binding is fairly sturdy.

The main benefit of studying this book is that one builds confidence in meeting the Sicilian defence. Although detailed analysis is given, inevitably the book will miss some lines that the player will encounter. Thus, the ideas behind the variations and the confidence to play the open sicilian are what I really gleaned from this book."