Join world-famous detective Sherlock Holmes and his ever-loyal sidekick Dr. Watson as they embark on a daring adventure.Reginald Musgrave is baffled by the disappearance of his butler and maid. Where did they go and does it have anything to do with the mysterious, ancient and "Musgrave Ritual? and " Only one man may be able to solve the mystery: Reginald's crime-fighting friend, Sherlock Holmes.This thrilling tale has been retold and adapted with new illustrations, making it perfect for younger readers. Adapted by award-winning children's fiction author Alex Woolf, it will delight bright young things aged 7+.