Jack Coughlin is a contemporary American author best known for his gripping crime fiction novels. Born in Boston, Massachusetts, Coughlin's formative years were spent in a working-class neighborhood, which later became the inspiration for his gritty and atmospheric settings. Coughlin's debut novel, "City of Shadows," introduced Detective Sergeant Jack Hartigan, a jaded and complex character who quickly captivated readers. The novel won the Edgar Award for Best First Novel in 2008. Coughlin has since penned a series featuring Hartigan, earning critical acclaim for his sharp prose, suspenseful plots, and nuanced exploration of human nature. His work has been translated into multiple languages and has been adapted for television. Coughlin's novels have garnered widespread recognition for their gripping storytelling, authentic characters, and unflinching examination of the criminal underworld.