In The Robthorne Mystery, John Rhode presents a complex case for Dr. Priestley, who must unravel the circumstances surrounding a mysterious death in a quiet English village. When Harold Robthorne is found dead, the initial assumption is suicide, but soon, clues suggest a more sinister possibility. Dr. Priestley applies his characteristic analytical approach to investigate, uncovering hidden motives and deep-seated secrets within the community. Rhode's engaging narrative combines intricate puzzles with well-developed characters, making this installment a compelling mystery in the classic Dr. Priestley series.