Pat Brogan is a Gambling Squad detective in 1950s Buffalo, NY. Beneath the gritty smokestacks are thousands of bright, clanging pinball machines—banned from New York City but still legal here—tempting the well-heeled as well as factory hands in bars, stores and clubs. When a single machine could take in $100 a week in nickels and factory workers made far less, there were fortunes to be made on the dark side of the law. Dealing with grasping pinball vendors, a manipulative politician, a ruthless...