16 - Red Thumb Mark by R. Austin Freeman

19 - Red Thumb Mark by R. Austin Freeman

Dive into the mystery of missing diamonds, an untouched safe, two blood-streaked thumb prints, and the enigmatic Mr X. As these elements converge, the brilliant Dr. Thorndyke steps onto the scene. Will he crack the case? The Red Thumb Mark marks the thrilling debut of Freeman’s popular Thorndyke series. (Summary by Diana Majlinger)

18 - Red Thumb Mark by R. Austin Freeman

Dive into the mystery of missing diamonds, an untouched safe, two blood-streaked thumb prints, and the enigmatic Mr X. As these elements converge, the brilliant Dr. Thorndyke steps onto the scene. Will he crack the case? The Red Thumb Mark marks the thrilling debut of Freeman’s popular Thorndyke series. (Summary by Diana Majlinger)

17 - Red Thumb Mark by R. Austin Freeman

Dive into the mystery of missing diamonds, an untouched safe, two blood-streaked thumb prints, and the enigmatic Mr X. As these elements converge, the brilliant Dr. Thorndyke steps onto the scene. Will he crack the case? The Red Thumb Mark marks the thrilling debut of Freeman’s popular Thorndyke series. (Summary by Diana Majlinger)

16 - Red Thumb Mark by R. Austin Freeman

Dive into the mystery of missing diamonds, an untouched safe, two blood-streaked thumb prints, and the enigmatic Mr X. As these elements converge, the brilliant Dr. Thorndyke steps onto the scene. Will he crack the case? The Red Thumb Mark marks the thrilling debut of Freeman’s popular Thorndyke series. (Summary by Diana Majlinger)

15 - Red Thumb Mark by R. Austin Freeman

Dive into the mystery of missing diamonds, an untouched safe, two blood-streaked thumb prints, and the enigmatic Mr X. As these elements converge, the brilliant Dr. Thorndyke steps onto the scene. Will he crack the case? The Red Thumb Mark marks the thrilling debut of Freeman’s popular Thorndyke series. (Summary by Diana Majlinger)