The Carringford School Mystery

School story dealing with two crooks who involve the children in adventures and dangers after stealing a valuable necklace from the local museum. 1. Crisis in the Classroom. 2. Evening of Danger. 3. Gunplay. 4. Kidnapped. 5. Ordeal Under Water. 6. Danger Under Ground. 7. Peril at Sea. 8. Fatal Slip.