Award-winning author Greg Haddrick will be in conversation with Michael Brissenden on Greg's new book The Mushroom Murders.

A family lunch. Three deaths. What really happened? The shocking story of a weekend lunch laced with a highly toxic mushroom, and a triple murder trial that gripped the world, shattered a family and gave a mother a life sentence.

On 29 July 2023, Erin Patterson hosted a family lunch at her home in the small regional Victorian town of Leongatha. She had invited her parents-in-law, Don and Gail Patterson, and Gail's sister, Heather Wilkinson, and her husband Ian. Erin made beef Wellington for her guests, individual beef eye fillets covered in mushroom paste, wrapped in pastry. The following day, all four guests were taken to hospital, and Heather, Gail and Don died. Ian Wilkinson barely survived. A toxicologist found traces of the highly poisonous death cap mushroom in the remains of the meal.

At first, it appeared to be a dreadful accident. As the police investigation continued, the evidence mounted, seeming to point one way. Yet Erin Patterson spun a web of lies, and steadfastly claimed she did not intend to harm her relatives.

Greg Haddrick tells the fascinating inside story of the dramatic murder trial, and the forensic evidence that convinced the jury to convict a suburban mother of a gruesome triple murder. With many details not previously revealed in the media, it is the compelling story of a troubled family and the world's most poisonous mushroom,.

Greg Haddrick is a Logie Award-winning screenwriter and film and television producer. His credits include the TV series Underbelly, Janet King, and Pine Gap, and he has also won seven AWGIE Awards as a writer, three AFI Awards as a producer, and an International Emmy Award nomination as a writer and producer. He is the author of In the Dead of Night about the Wonnangatta Valley murders, which was shortlisted for the 2025 Danger Award.

Michael Brissenden was a journalist with the ABC for 35 years, covering politics, national security issues and spent many years working as a foreign correspondent. He now writes fiction and has published four novels: The List (2017), Dead Letters (2021) , Smoke (2024) and Dust (2025).

The vote of thanks will be given by Meredith Rossner, Professor of Criminology at POLIS: The Centre for Social Policy Research at ANU

Books will be available for signing from 5.30pm and again after the event.

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A podcast will be made available after the event.

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