The book is intended for advanced players. Material is sorted into 13 chapters titled Include all the Pieces in the Attack; Momentum; Colour; Quantity beats Quality; Attack the Weakest Square; Attack the Strongest Square; Evolution/Revolution; Kill Zone; Only Move; Comparison; Prophylaxis; Active Defence; Multiple Exercises. All positions are explained in detail and deeply analysed. There are several hundreds samples in the book and most of them are from the last years. Name index in the end. This is the fourth book of the series Grandmaster Preparation (Calculation, Positional Play, Strategic Play, Attack and Defence, Endgame Play, Thinking inside the Box). GM Jacob Aagaard is known as succesful trainer and writer. He has received the Guardian, ECF and ChessCafe Book of the Year awards and the FIDE Senior Trainer title. Further information about the book is available at qualitychess.co.uk