Omnibus edition of volumes 4-6 in the popular Catastrophes & Tactics in the Chess Opening series.Volume 4 covers a variety of 1 d4 openings: Anti-Dutch, Dutch Mainline, Benonis, Benko Gambit, Trompowsky, Torre Attack, London System, Colle System, Fianchetto Anti-Indian, Old Indian, Budapest & Fajarowicz Gambits and more. Volume 5 covers all of the Anti-Sicilians, including Alapin, Grand Prix Attack, Closed Sicilians, Rossolimo Attack, Moscow Attack, 2...e6 Specialies, 2...d6 Specialties, O'Kelly, Ultra-Fianchetto & Nimzowitch and more. Volume 6 covers all of the Open Sicilian Variations, including the Najdorf, the Scheveningen, Sveshnikov & Kalashnikov, Dragon & Accelerated Dragon, Classical, Kan, Taimanov & Paulsen and more.Here together in one volume for the first time.