The Firefly and Serenity Database
Serenity: The Official Visual Companion
Author Joss Whedon
Published by Titan Books
Publication date September 1, 2005
ISBN 1845760824

Serenity: The Official Visual Companion is a book containing a shooting script of the movie Serenity with a lot of extra information about the series. It has many interviews with the series creator Joss Whedon. It explains what roles were originally envisioned. It has a history of the universe and how the government is set up, including a look at the Unification War. It contains 160 pages of Firefly information.