The Leningrad System is one of the sharpest and most interesting replies to 1 d4, and since this typical set-up is also playable against the flank openings 1 c4 and 1 If3, it provides the Black player with a genuine universal weapon. A repertoire for Black based on 7... Ee8 in the main line of the Leningrad System is presented here, but since the typical motifs and ideas for both sides are fully explained. White players too will benefit from a study of the book.