Kody Keplinger

Kody Keplinger is an American author of young adult and middle grade fiction, best known for her debut novel, The DUFF, which she wrote at age 17 while in high school. She has also written books including Shut Out, A Midsummer's Nightmare, The Swift Boys & Me, and other novels and graphic novels.

Owensboro, Kentucky, USA Aug 8, 1991 Wikipedia Website
young adult middle grade fiction