The third book in the ‘Sentinels of Tzurac’ sci-fi trilogy is the action-packed finale where the forces of good and evil struggle for control of the Universe through possession of the powerful resource Xytrinium.

Some of the characters readers loved or loathed in the previous two books resurface, determined to succeed, and an unexpected hero emerges. Trying to redeem himself and clear his conscience of his past mistakes, a fugitive Sentinel attempts to help the Tzuracians thwart their age-old enemy, the Treldarians.

James Raven’s final book in the science fiction saga will keep you intrigued and involved in the lives and loves of its many characters. With its martial arts sequences and space battles ‘Retaliation’ is sure to bring thrills and excitement to fans who enjoy science-fiction action and adventure.