Mark Posey is a Canadian author of thrillers, suspense and contemporary fiction. His work includes the A Nun With A Gun thrillers featuring Sister Jacobine, the Thomas Billings thriller series, the domestic espionage serial Credible Threat, the Project Gateway time-travel thriller Assassinating Yesterday, and the contemporary novel The Summer Garden.Across genres, Mark writes fast-moving, character-driven fiction about people whose lives are knocked sideways and the choices, relationships and consequences that determine what happens next. His stories combine accessible prose, emotional stakes, morally complicated characters and dry humor.Mark lives in Edmonton, Alberta, Canada, with his wife, author Tracy Cooper-Posey. His books are published by Stories Rule Press.