Her first book outraged Australian critics – but now she’s scooped the UK’s top nonfiction prize. She talks about female anger, becoming cool at 82 – and why winning made her feel like a stunned mulletWhen Helen Garner was announced as the winner of the Baillie Gifford prize for nonfiction in London on Tuesday night, the 82-year-old Australian author was 16,000km away in Melbourne, watching the ceremony on a live stream at home on what was for her Wednesday morning. When the big moment came, she heard “the winner is ” – and then the feed froze. “We were going, ‘Oh God!’ Running around. We didn’t know what to do. The timing was like something in a comedy.” Congratulations immediately rushed in, which is how she knew she’d won the £50,000 (A$100,000) prize for How to End a Story, an 800-page collection of her astoundingly frank diaries, kept between 1978 and 1998.Garner is still grappling with her win when we speak a few hours later. “I’m a stunned mullet,” she says, sitting in her st...