Duncan Barrett is a writer and editor, specialising in biography and memoir. In 2010 he edited the First World War memoirs of pacifist saboteur Ronald Skirth, published as The Reluctant Tommy.

Nuala Calvi trained as a journalist at London College of Printing, before writing for the Times, the Independent, the Guardian, the BBC and CNN.

They are co-authors of a trio of Sunday Times Top 10 bestsellers: The Sugar Girls, which was ranked second in the history bestsellers of 2012, GI Brides, which was also a New York Times bestseller in America, and The Girls Who Went to War.