Most avid Star Trek fans are well-schooled in Trek trivia, either through many hours spent watching the series on television or by poring over the myriad reference guides devoted to the Star Trekuniverse both in print and online. But for the casual viewer -- one who enjoys the show but could hardly be called a Trekkie -- several hundred pages on The Next Generationor on Deep Space Ninecan be offputting rather than enlightening. Now help is at hand with Star Trek 101-- an ideal primer which manages to be both comprehensive and concise. And now that Star Trekepisodes are available on iTunes this informative guide is more timely and useful than ever, expanding on the general television listing descriptions and quickly bringing the viewer up to speed on who's who and what's what in the world of Star Trek.