1988. 8 1/2″ x 11″ stiff glossy cover book. Subtitled “The Sentinels” Book tells the story of “The Sentinels” which was the television series that was supposed to take off where Robotech left off. Book features a wealth of behind the scenes production and technical information along with detailed character information and all accompanied by a huge amount of illustrations including vehicles. Beautifully done. Slight curving at edge from storage but generally NM-.