Covers episodes from the three years of the original series, seven years of "Star Trek: The Next Generation," four years of "Deep Space Nine," and two years of "Star Trek: Voyager," as well as the motion pictures. Lengthy appendixes give more information on series, characters, science and technology, alternate timelines, and episode writing credits. There are more than 1000 full-color photos. A comprehensive guide to timelines, plots, characters, and concepts.