Anderson herself cameos in the film as the lunch lady who gives Melinda the mashed potatoes.

Producer and screenwriter Annie Young Frisbie read the novel and successfully made a bid to get the rights to a film version.

Production took place in Columbus, Ohio because a production partner, Matthew Myers, was relocating there with his wife. Flooding during an especially heavy summer rain caused filming to be temporarily postponed and during that time author Laurie Halse Anderson visited the set with her daughter.

15-year-old Melinda Sordino (Kristen Stewart) starts out her freshman year in high school and struggles on the first day.

She doesn't have any friends to hang out with and appears awkward and uncomfortable when speaking to others.

Throughout the day, she is made fun of by several students, repeatedly called a "squealer".

A series of flashbacks reveal that she called the police at a house party during the previous summer. "We did one day of auditions and a bunch of guys came in.Catherine Hardwicke, the director, afterwards was like, 'What do you think? It was sort of perfect."Spring 2008: Filming on the first movie of the franchise, , takes place in Vancouver.Her real reason for calling 9-1-1 was that she was raped at the party by a senior student, Andy Evans (Eric Lively), but while on the phone, she was unable to talk to the police about what happened, and when the police arrived, she did not report the rape and went home instead.The party was crashed, causing mayhem and everyone to flee from the police.The only other student with whom Melinda has a positive experience is her lab partner, Dave Petrakis (Michael Angarano), who has successfully managed to avoid affiliating himself with a clique.