The Fianchetto Variation of the Queen's Indian Defense, wich arises after 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3, has been one of White's main weapons against the Queen's Indian since the opening's invention, but thanks to its consistant attention of top players it has been thoroughly developed including main fascinating & sharp sidelines.
100 main games
Carsten Hansen is a Danish-American FIDE Master & FIDE Trainer who has written extensively on all phases of the game, but is particularly recognized for his thorough books on chess openings, most recently on the Sicilian Dragon and the Closed Sicilian.