Mary Anna Evans is an Assistant Professor of Professional Writing at the University of Oklahoma, USA. Her fourteen crime novels have received recognition including the Benjamin Franklin Award and three Florida Book Awards bronze medals. She holds an MFA in creative writing and is a doctoral researcher at the University of Exeter. Her work has appeared in publications including Feminist Studies, The Atlantic, The Louisville Review, and CrimeReads.

J.C. Bernthal is Visiting Lecturer at Middlesex University, UK. His publications include Queering Agatha Christie, The Ageless Agatha Christie and, with Rebecca Mills, Agatha Christie Goes to War. Bernthal founded the annual international Agatha Christie conferences in 2014 and sits on the editorial boards of Crime Fiction Studies and Clues: A Jourbanal of Detection. Bernthal won the Popular Culture Association's Dove Award for crime fiction scholarship in 2020.