Krystal Sutherland is an internationally published author. Her latest novel for young adults, House of Hollow, was released by Penguin in April 2021. Sutherland's first novel, Chemical Hearts, was published in over 20 countries and was named by the American Booksellers Association as one of the best debuts of 2016. The film adaptation, produced by Amazon Studios, stars Lili Reinhart (Riverdale) and Austin Abrams (Dash & Lily); Sutherland served as an executive producer on the project. Her second novel, A Semi-Definitive List of Worst Nightmares, was published to critical acclaim in 2017 and has been optioned for adaptation by Yellow Bird US. In 2018, she appeared on the annual Forbes “30 Under 30” list. Originally from Australia, she has lived on four continents and currently calls London home.