Waiting on Wednesday

This week's WoW is
The Twilight Saga: The Official Illustrated Guide
By Stephanie Meyer
It will be published on April 12th, 2011.
Summary from Goodreads:
Fans of the #1 New York Times bestselling Twilight Saga will treasure this definitive official guide!

This must-have hardcover edition--the only official guide--is the definitive encyclopedic reference to the Twilight Saga and 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.
Hardcover, 256 pages

Why I'm Waiting: Is any explanation really needed? It's Twilight.