Join world-famous detective Sherlock Holmes and his ever-loyal sidekick Dr. Watson as they embark on a daring adventure.

An unknown thief steals an important naval treaty from the office of a government clerk. Who stole it and how did they do it? Will the treaty ever be recovered? This sounds like a case for England's most brilliant sleuth!

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+.