Order of John McMahon Books

John McMahon is an American writer recognized for his P.T. Marsh book series, which began with The Good Detective and continued with The Evil Men Do. He pursued a degree in Creative Writing at the University of Arizona. After completing his studies, he worked as a creative director in the advertising field, where he earned a Gold Clio for Fiat and created a Super Bowl advertisement for Alfa Romeo. McMahon resides in Los Angeles, where he writes and lives with his family.