The "Chess Stars Openings" series by the 14th World Champion Alexander Khalifman presents an entirely new approach to the study of chess openings:
"Opening for Black according to Karpov"
Caro-Kann, Queen's Indian, Nimzo-Indian, Catalan, English, Reti
"Opening for White according to Kramnik"
Book I King's Indian, Old Indian, Anti-Grunfeld
Book II Anti-Nimzo-Indian, Anti-Queen's Indian, English, Knight Tango
Book III Maroczy, English (1...c5), Modern, Dutch
Book IV Queen's Gambit Accepted, Slav, Semi-Slav
Book V Queen's Gambit Declined
"Opening for White according to Anand"
Book I Latvian, Philidor's, Petroff, Ruy Lopez without 3...a6
Book II Ruy Lopez with 3...a6
Book III 1...c6, Scandinavian
Book IV 1...d6, 1...g6, 1...Nf6, 1...Nc6 (2005)
Book V 1...e6, 1...b6 (2005)
Book VI Sicilian
Book VII Sicilian