Sudden Jim by Clarence Budington Kelland

Clarence Budington "Bud" Kelland (July 11, 1881 – February 18, 1964) was an American writer. He once described himself as "the best second-rate writer in America".
Kelland had a long career as a writer of fiction and short stories, stretching from 1913 to 1960. He was published in many magazines, including The Saturday Evening Post and The American Magazine. A prolific writer, his output included sixty novels and some two hundred short stories.