Who was the Man in the Iron Mask, and why was he imprisoned in such secrecy? This book investigates the mystery of the Man in the Iron Mask, a prisoner who was held in French jails during the reign of Louis XIV, his identity obscured by a mask that allegedly concealed his face. The narrative delves into the various theories about who the man might have been, ranging from a disgraced noble to a secret twin brother of the king, as suggested by popular fiction. The book examines historical records, prison documents, and the legends surrounding his imprisonment, and offers a critical analysis of the various theories. By exploring the mystery through available archives and modern scholarship, the book attempts to uncover the identity of one of history’s most enigmatic figures.