The Aylesford Skull

In Aylesford, a grave is opened and possibly robbed of the skull. The suspected robbers, Dr. Ignacio Narbondo, is an old nemesis of Langdon St. Ives. When Dr. Narbondo returns to kidnap his four-year-old son, St. Ives and his factotum Hasbro race into London in pursuit...--From cover.