The Complete C3 Sicilian [repack] Info
Now White has two principal moves: (main) and 4.Nf3 (less critical, transposing after d4).
Alternatively, after 2...d5 or 2...Nc6, White also plays d4. the complete c3 sicilian
(3...Nf6 4.Bb5+ transposes to a weird Scandinavian) Now White has two principal moves: (main) and 4