The Phantom of the Opera
A criminally insane, physically-deformed musician haunts a Paris opera house demanding a monthly salary and a box seat for every show. He provides voice lessons to a beautiful young singer and then abducts her to his cellar retreat away from her lover who threatens to destroy the opera house. She is forced to make a difficult choice of who to love and makes a promise to the musician. The novel was the source of several films and stage adaptations including the highly successful musical version by Andrew Lloyd Webber in 1987.