Fangirl is a novel written by Rainbow Rowell about a college student who is a fan of a book series called Simon Snow, which is written by a fictional author named Gemma T. Leslie. On October 6, 2015 Rainbow Rowell published a follow-up novel to Fangirl. Carry On is stand-alone novel set in the fictional world that Cath, the main character of Fangirl wites fanfiction in.[34]