Basil is the Sherlock Holmes of the Mouse World. His friend and associate Dr. Dawson narrates the story. Mrs. Judson is their mousekeeper. The mouse detective has learned his sleuthing skills by listening to Sherlock Holmes tell Dr. Watson how he solved his cases. Basil takes notes in shortpaw. Basil and Dr. Dawson live in the mouse village Holmestead in the cellar at 221B Baker St. In this book Basil solves the kidnapping of the mouse twins Angela and Agatha. Children will enjoy this book, and grown-up Sherlockians will appreciate it even more.