First published in 1909, The Hollow Needle is one of the most celebrated and suspenseful adventures in the Arsène Lupin series. The novel centers on a long-hidden secret tied to the historic Hollow Needle of Étretat—a mystery believed to conceal a legendary royal treasure. When a brilliant young detective begins closing in on the truth, Arsène Lupin finds himself facing a formidable opponent in a battle of wits. As clues unravel and tensions rise, Lupin must use all his ingenuity, daring, and strategic brilliance to protect his secrets and outmaneuver his rival. Rich in historical intrigue, clever twists, and high-stakes suspense, this classic novel showcases Maurice Leblanc at his finest, delivering a masterful tale of mystery and adventure that continues to captivate readers.