Luke Harding is an award-winning writer, journalist and foreign correspondent with The Guardian. He is the author of eight acclaimed non-fiction books, including the #1 New York Times bestseller Collusion: How Russia Helped Donald Trump Win, published by Faber in London and Vintage in New York. Other titles include Mafia State, The Snowden Files, A Very Expensive Poison, and Shadow State. His most recent book Invasion: Russia's Bloody War and Ukraine's Fight for Survival was a finalist for the Orwell Prize and Peterson Literary Prize and was named Ukraine's Book of the Year 2023, in the Journalism and Contemporary Memoir category. His books have been published in 30 languages. Two - The Snowden Files and WikiLeaks - have been made into Hollywood movies. In 2019 the playwright Lucy Prebble adapted A Very Expensive Poison for the Old Vic theatre in London.