An illustrated adaptation of Sir Arthur Conan Doyle's classic Sherlock Holmes mystery – at an easy-to-read level for readers of all ages!

Also includes a QR code for the free audiobook!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?