Joss Whedon's Firefly is one of the most popular TV shows ever. Serenity was the wildly successful follow-up to the series. Here is a definitive guide to the series and the movie, offering an in-depth and comprehensive look at the TV phenomenon kept alive by the fans.

The brain child of Joss Whedon--of Buffy the Vampire Slayer and Angel fame--Firefly ran for twelve hour-long episodes before being cancelled by the network. But this premature burial had a remarkable outcome: resurrection. The fans--self-named Browncoats--kept multiplying, the DVDs...