 In 2017, his biography of English queen consort Catherine Howard was published, based on research undertaken between 2010 and 2016.It was published by Simon & Schuster in the US and Canada, and HarperCollins in the UK, Ireland, and most of the Commonwealth.It was a finalist for the Slightly Foxed Best First Biography award in 2017, which was won that year by Edmund Gordon's biography of Angela Carter.