When it was lit, the magician threw on it a powder he had about him, at the same time saying some magical words. The earth trembled a little and opened in front of them, disclosing a square flat stone with a brass ring in the middle to raise it by. Aladdin tried to run away, but the magician caught him and gave him a blow that knocked him down. “What have I done, uncle?” he said piteously; whereupon the magician said more kindly: “Fear nothing, but obey me. Beneath this stone lies a...