William Hulbert Footner was a Canadian writer of non-fiction and detective fiction. He was once described as 'one of the most charming men who was ever on earth.' His love for his family, travelling and writing is reflected in his stories, many of which are in the crime fiction genre. At the same time Footner began to write detective fiction; his first series detective character being Madame Rosika Storey. This novel featuring Madame Rosika Storey – psychologist and criminal investigator. „Dangerous Cargo" (1934) sees her take to the high seas in a millionaire's yacht in order to prevent a suspected murder.