The book will be released on September 6, a day after his retirement. The Sinhala and English versions of the book will be released on the same day.
It is said that several incidents that occurred during the war including the killing of Velupillai Prabhkaran.
Major General Gunaratne was the Commanding Officer of the 53 Division, that is believed to have killed the LTTE leader Prabhakaran.