This is a perfect opening manual that contains a detailed classification. Modern Chess Openings 3 - Sicilian Defense (1. e4 c5) course is aimed at teaching a student much of the opening and middlegame methods and intricacies through a detailed theoretical section. Each of the lessons illustrates typical plans and methods in the following variations of Sicilian Defense: System 2. c3, Scheveningen, Rauser Attack, Chelyabinsk variation, the systems with e7-e5, Dragon variation, Najdorf variation, Paulsen system, Closed system (2.Nc3), Moscow variation (2. Nf3 d6 3. Bb5), Rossolimo variation (2. Nf3 Nc6 3. Bb5), etc.