Mark Ellis is a Welsh thriller writer from Swansea and former barrister and entrepreneur. He is the creator of fictional character DCI Frank Merlin, an Anglo-Spanish police detective operating in World War 2 London. Princes Gate (Frank Merlin 1) was published in 2011, Stalin’s Gold (2) in 2014, Merlin At War (3) in 2017 and A Death In Mayfair (4) in 2019. The 5th in the series will be out in 2021. Merlin At War was long listed for the CWA Historical Dagger in 2017. The Frank Merlin series is now published by Headline Accent, an imprint of Hachette.