Pedersen, Nicolai: Play the Benko Gambit
The Benko Gambit is undoubtedly one of Black's most exciting openings. In return for a pawn investment Black gains long-term pressure, which is so strong it often lasts into the endgame! White must decide whether to grab the pawn and hold on, or to choose a more aggressive approach.Either way, Black succeeds in unbalancing the position from a very early stage.
In this book, Nicolai V. Pedersen presents a practical repertoire for Black within the Benko Gambit. He also covers various options White has of avoiding the Benko, and how to deal with these situations.