As part of the Classics For Kids series international best-selling author Mark Williams is proud to present the latest of the Sherlock Holmes short story adaptations: The Engineer's Thumb.. Come join Holmes and Watson as they solve the mystery of the missing racehorse, Silver Blaze, in a child-friendly, twenty-first century English and with the seamier side of Victorian life left out. Ideal for children to get started with the world's most famous detective. Age range 9-12