The Red Thumb Mark

Set in the early 20th century, this novel introduces Dr. Thorndyke, a pioneering forensics expert, as he navigates a case involving a stolen shipment of diamonds. A young man faces trial, and as evidence mounts, Dr. Thorndyke steps in to aid the defense. While the plot twists may be predictable and the dialogue reflects the era's class distinctions, the writing remains engaging. The blend of forensic science, an unobtrusive love story, and relatable characters like Dr. Thorndyke and Dr. Jervis contribute to the novel's lasting appeal.