Amazon.com description: Product Description: The Monteverdi Mystery - The Riddle of a Coded Will containing a Secret Formula East End schoolboy foils the KGB in their attempt to win the Cold War. A famous scientist has invented a new rocket fuel. The KGB abducts him but he dies of a heart attack. Only a coded will refers to their whereabouts, but no one knows the code. The scientist has however, given his star pupil, Robert Napier some cursory tuition in codes. With the help of his three friends, some deductive reasoning, knowledge of school heraldry and a mysterious number called the Ninevah Constant, the will is decoded and the papers recovered. The KGB abducts the pupil and tortures him in an attempt to find the papers. Read how he foils the enemy and preserves the balance of the Cold War.