WILLIAM CHRISTIE is a graduate of the University of Pennsylvania and a former Marine Corps infantry officer who commanded a number of units and served around the world. In addition to The Double Agent, he has written nine other novels including A Single Spy, published either under his own name or that of F.J. Chase.
JESSICA FELLOWES is an author, journalist, and public speaker, best known for her official New York Times bestselling companion books to the Downton Abbey TV series. Former deputy director of Country Life, and columnist for the Mail on Sunday, she has written for the Daily Telegraph, the Guardian, The Sunday Times, and The Lady. Jessica has spoken at events across the UK and US, and has made numerous appearances on radio and television. She lives in Oxfordshire with her family.
AUSMA ZEHANAT KHAN holds a Ph.D. in international human rights law with a specialization in military intervention and war crimes in the Balkans.She is also a contributor to the anthologies Private Investigations, Sword Stone Table, and The Perfect Crime, and the former Editor-in-Chief of Muslim Girl magazine. A British-born Canadian and former adjunct law professor, Khan now lives in Colorado with her husband.
MARIAH FREDERICKS was born and raised in New York City, where she still lives with her family. She is the author of several YA novels. A Death of No Importance was her first adult novel. Visit her website and follow her on Twitter.