The King's Indian Attack has been a long-standing favorite in the opening repertoire of the legendary Bobby Fischer and has recently been successfully employed by world-class grandmasters like Alexander Morozewitsch. The renowned chess coach Mark Dworetski considers the King's Indian Attack to be a perfect weapon for building an opening repertoire. Its significant advantage over other openings lies in the fact that it is a thematic system that can be applied against many different variations, focusing primarily on understanding the ideas rather than the dry memorization of moves. The King's Indian Attack leads to rich middlegame positions that are full of dynamic possibilities for both sides. In this easily accessible guide, John Emms, a great connoisseur of the King's Indian Attack, returns to its fundamentals.