Melville Davisson Post's 'Walker of the Secret Service' is a thrilling collection of detective stories that showcases his mastery of the mystery genre. Set in the early 20th century, these tales follow Secret Service Agent Walker as he navigates through complex cases involving espionage, betrayal, and political intrigue. Post's writing style is characterized by intricate plotting, meticulous attention to detail, and a keen sense of suspense, keeping readers on the edge of their seats until the very end. Each story in the collection not only serves as a standalone mystery but also sheds light on the larger historical context of the time, offering a unique blend of entertainment and education. Post's background as a lawyer and judge likely influenced his ability to craft intricate legal puzzles and clever deductions in his stories, adding an extra layer of depth to his narratives. Overall, 'Walker of the Secret Service' is a must-read for fans of classic detective fiction and historical mysteries, offering a glimpse into a bygone era of crime-solving and intrigue.