A Good Girl's Guide to Murder is a British mystery thriller television series based on the 2019 novel of the same name by Holly Jackson, adapted by Poppy Cogan, directed by Dolly Wells, and developed by Moonage Pictures and the German public broadcaster ZDFneo for BBC Three. The series, consisting of six episodes, covers events from the first book, and it was released for streaming on 1 July 2024 on BBC iPlayer in the United Kingdom, followed by its terrestrial premiere on BBC Three on 10 July. It was released internationally on Netflix on 1 August 2024.