Sherlock Holmes Adventures for the Twelve Days of Christmas

The Seventh Swann: The heir-apparent to Lord Swann is missing. Has he been kidnapped? Is he still alive? -- The Eighth Milkmaid: A young child has joined the staff at the home of Holmes' former professor. But who is she, really? -- The Ninth Ladyship at the Dance: Queen Victoria's daughter, Princess Beatrice, has come under threat by unknown forces. How will Homes protect her? -- The Tenth Lord Leaping: The Earl of Dunbar has been observed undergoing strange physical gyrations. What is his secret? -- The Eleven Pipe Problem: Mysterious thefts are happening all over Edinburgh. What, or who, do they have in common? -- The Twelfth Drumming: The clock strikes midnight. A shot rings out and Sir James is dead. There is no sign of an intruder nor murder weapon.