The Duff is a young adult novel by Kody Keplinger. The book was released on June 7, 2011. Keplinger was 17 when she wrote the novel. A film based on the novel, also entitled The Duff, was released in 2015. The film was a success, and only had a budget of $8.5 million. A companion novel Lying Out Loud was released on April 28, 2015. It is set in the same world as The Duff.
References
The Duff (novel) Wikipedia(Text) CC BY-SA