An illustrated adaptation of Sir Arthur Conan Doyle's classic Sherlock Holmes mystery – at an easy-to-read level for readers of all ages! At quarter to eight tonight a gentleman will call. He would like your help with a very important matter. Do not think it odd if your visitor wears a mask. When Sherlock Holmes is asked for help by a powerful yet dim king, it seems that he cannot refuse. But the detective has no idea that this case will bring him up against a woman just as clever, cunning and quick as he is. Has Holmes finally met his match?