Garrison Allen, writing as Gary Amo, was an American author specializing in mystery and thriller novels. Born in East Tawas, Michigan in 1939, he passed away in 2012. Allen's writing style is characterized by suspenseful plots and engaging characters, often exploring themes of crime and intrigue. He was particularly known for his extensive work on the Big Mike Mysteries series and standalone thrillers written as Gary Amo, earning a nomination for an Edgar Award.









