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, MerlinAt War (3) in 2017 and A Death In Mayfair (4) in 2019. The 5th in the series, Dead In The Water, will be published on May 19th 2022. 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.