"The Three Eyes" is a lesser-known novel by Maurice Leblanc, the creator of the famous gentleman thief, Arsène Lupin. This work diverges from his usual focus on Lupin, instead weaving a tale of mystery and fantastical elements. The story revolves around a set of three mysterious gemstones known as "The Three Eyes," each possessing unique, seemingly supernatural powers. These gems are sought after by various characters, leading to a complex narrative filled with intrigue, espionage, and adventure.

Set against the backdrop of early 20th-century Europe, the novel blends elements of science fiction with detective fiction. The plot is marked by unexpected twists and turns, challenging the reader to solve the puzzle alongside the characters. Leblanc showcases his mastery in crafting suspenseful narratives and rich, engaging characters. "The Three Eyes" stands out for its imaginative concept and the way it seamlessly integrates fantastical elements into a detective story framework, making it a captivating read for fans of the genre.