M. H. Callway is an award-winning short story writer, whose work has been published in several crime fiction anthologies and magazines. Her most recent story, The Lizard, winner of the 2012 Bony Pete award, was published in Crimespree Magazine. Windigo Fire is her first novel. Under different titles, it was a finalist for the Crime Writers of Canada 2012 Unhanged Arthur and the Crime Writers Association (UK) 2009 Debut Dagger awards.
In 2013, Madeleine founded the Mesdames of Mayhem: a collective of fifteen leading Canadian women crime writers and editors. An avid cyclist, runner and downhill skier, she has participated every year in the Toronto Ride to Conquer Cancer since its inception.