The Knocking on the Door

The evil Dr FuManchu proves to be a master of disguise as well as villainy in this thrilling episode of the popular adventure serial Adopting the persona of a longbearded professor FuManchu pays a visit to Londons Madame Tussauds waxworks Elsewhere theres something horribly uncanny going on at a remote country cottage sleuths Nayland Smith and Petrie leave the capital to investigate