In which year was the first of the vampire-themed fantasy romance novels for which The Twilight Saga: The Official Illustrated Guide serves as a spin-off encyclopedic reference book first published?
The Twilight Saga: The Official Illustrated Guide: The Twilight Saga: The Official Illustrated Guide (previously titled The Official Guide) is a spin-off encyclopedic reference book for the "Twilight Saga" book series, written by Stephenie Meyer and was released on April 12, 2011. Twilight (novel series):  Released annually from 2005 through 2008, the four books chart the later teen years of Isabella "Bella" Swan, a girl who moves to Forks, Washington, and falls in love with a 104-year-old vampire named Edward Cullen.
i don't know