The Secret Fiend: The Boy Sherlock Holmes, His Fourth CaseIt is 1868, the week that Benjamin Disraeli becomes Prime Minister of the Empire. Sherlock's beautiful but poor admirer, Beatrice, the hatter's daughter, appears at the door late at night. She is terrified, claiming that she and her friend have just been attacked by the Spring Heeled Jack on Westminster Bridge and the fiend has made off with her friend. At first Sherlock thinks Beatrice simply wants his attention, and he is reluctant to go back to