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! 'There are no other beryls like these in the world, and they would be impossible to replace. I leave it with you, Mr Holder, trusting that it shall stay safe and sound.' Mr Holder's life is turned on its head when a piece of the priceless crown he's been asked to guard goes missing. The police have no clues and only one suspect: Mr Holder's own son. Everyone's hopes lie with Sherlock Holmes. But can the genius detective find the missing treasure before time runs out?