A dangerous amnesiac escapes from an asylum, hides in the opera house, and is suspected of getting revenge on those who tried to murder him 13 years ago.

A French doctor sentenced for treason performs brain surgery on the prison commandant’s daughter.

Lawyer Perry Mason is summoned to the Laxter mansion in the dead of night to write granddaughter Wilma out of invalid Peter Laxter’s will, to keep her from marrying suspected…

Mr. Moto Heads to China on a quest for seven ancient scrolls that reveal the location of Genghis Khan’s tomb—a crypt filled with fabulous treasure! But Moto isn’t the only…