"The House of Silk" is a novel written by Anthony Horowitz, featuring the iconic detective Sherlock Holmes and his loyal companion Dr. John Watson. Set in Victorian London, the story revolves around a mysterious case involving a secretive organization and a series of dangerous events that threaten the lives of those involved. The book is notable for being an authorized continuation of the Arthur Conan Doyle canon, capturing the essence of the original characters while introducing new elements. It explores themes of loyalty, deception, and the darker aspects of society, all while maintaining the classic detective narrative style.