I found this on the official Stephenie Meyer website and am kinda excited.for especially the The Twilight Saga: The Official Guide. what do you think ?

Twilight: The Official Illustrated Movie Companion
Just in time for the release of the Twilight movie comes this lavishly illustrated paperback book. Twilight: The Official Illustrated Movie Companion is an exclusive behind-the-scenes guide featuring full-color photos of the cast, locations, and sets, as well as storyboards, interviews, details of the special effects and much more. (November 2008; $16.99)

The Twilight Saga: The Official Guide
What everybody has been waiting for — the definitive encyclopedic reference to the Twilight Saga. This must-have hardcover edition — the only official guide — provides readers with everything they need to further explore the unforgettable world Stephenie Meyer created in Twilight, New Moon, Eclipse, and Breaking Dawn. With exclusive new material, character profiles, genealogical charts, maps, extensive cross-references and much more, this comprehensive handbook is essential for every Twilight Saga fan. (Coming this winter; $19.99)