Twilight (novel series) the Most Frequently Challenged Books of 2009, for being "Sexually Explicit", "Unsuited to Age Group", and having a "Religious Viewpoint". A screenplay for "Twilight" was written by Melissa Rosenberg and has been adapted into a film by Summit Entertainment. The film was directed by Catherine Hardwicke, with Kristen Stewart and Robert Pattinson in the leading roles of Isabella Swan and Edward Cullen, respectively. The movie was released in the United States on November 21, 2008. "Twilight: The Complete Illustrated Movie Companion", written by Mark Cotta Vaz, was released October 28. On November 22, 2008, following the box office success of
Edward Cullen save him. Carlisle instilled in him a sense of morality uncommon in most vampires, and central to his way of life is the refusal to consider humans as food. However, Edward constantly warns Bella against being with him, perceiving her life to be at risk if she continues to associate with him. Bella's love and confidence in Edward's restraint cause her to ignore his warnings, even after she becomes the vampire James' target. Unlike the Cullen family, who are "vegetarian" vampires (committed to only feeding on animals), James regularly feeds on humans and will not stop until he drinks Bella's