Join world-famous detective Sherlock Holmes and his ever-loyal sidekick Dr. Watson as they embark on a daring adventure. Captain Arthur Morstan has vanished. Where is he, and does his disappearance have anything to do with the six pearls sent to his daughter Mary? Our crime-fighting sleuth decides to investigate. 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+.