Bring the excitement of an escape room into your own home, with this ingenious full-color puzzle book! You'll be taking on the role of Sir Arthur Conan Doyle's Sherlock Holmes, the world's most brilliant detective. You're to retrieve the famous Musgrave Diamond, and thwart criminal mastermind Moriarty's diabolical scheme!

Alex Woolf was born in London in 1964. He has worked as a writer and editor for over 20 years and has published over 40 works of fiction and non-fiction, mainly for young adults. His fiction includes the Chronosphere series, a science-fiction trilogy published by Scribo, and Soul Shadows, an interactive e-novel published by Fiction Express, and shortly to be published in print by Capstone. His short fiction has won or been shortlisted for several competitions. He lives in Southgate, North London, with his wife and two children. Sian James She is a self-taught children's book illustrator from Hong Kong. Despite growing up in the city, she loves to daydream about enchanted forests, ancient ruins, magical creatures and exciting adventures. When she's not drawing or painting, she loves to curl up with a cup of Earl Grey and read a fantasy novel or play a video game. She now lives in Cambridge (UK) with her husband, biochemist Nathan, and their two loving cats Miso and Mochi.