Question: Who was the author of the book, on which the 2016 film, in which India Eisley took the role of Audina, is based ?  
Sentence (from "Joe Cinque's Consolation"): Joe Cinque’s Consolation: A True Story of Death, Grief and the Law is a non-fiction book written by Australian author Helen Garner, and published in 2004.
Relevant evidence: No