Kody Keplinger is the author of the young adult Hamilton High series (Little Brown/Poppy), which includes the New York Times best-selling The DUFF, also the young adult novels That's Not What Happened, Run (both Scholastic), Secrets and Lies (Poppy), and the graphic novel Poison Ivy: Thorns (DC Comics). She is also the author of the middle grade novels Lila and Hadley and The Swift Boys & Me (both Scholastic). She has published fiction in Young Adult Review Net, and nonfiction in Seventeen, YA Highway, and Poptimal.