A.J. Devlin grew up in Greater Vancouver before moving to Southern California where he earned a Bachelor of Fine Arts in Screenwriting from Chapman University and a Master of Fine Arts in Screenwriting from The American Film Institute. After working as a screenwriter in Hollywood, he moved back home to Port Moody, BC, where he now lives with his wife and two children.
Cobra Clutch, the first book in the "Hammerhead" Jed professional wrestling mystery-comedy series, was released in spring 2018 and nominated for a Lefty Award for Best Debut Mystery and won the 2019 Crime Writers of Canada Arthur Ellis Award for Best First Novel. The sequel, Rolling Thunder, was released in spring 2020 and was featured in the Vancouver Sun, The Province, The Globe and Mail, Kirkus Reviews, and Library Journal, and on CBC The Next Chapter.