Ellen Wittlinger was the critically acclaimed author of the teen novels Parrotfish, Blind Faith, Sandpiper, Heart on My Sleeve, Zigzag, and Hard Love (an American Library Association Michael L. Printz Honor Book and a Lambda Literary Award winner), and its sequel Love & Lies: Marisol's Story. She earned a bachelor's degree from Millikin University in Decatur, Illinois, and an MFA from the University of Iowa. A former children's librarian, she passed away in November 2022 at the age of seventy-four.