An ancient pact, a daring theft, a carved message, and an untimely disappearance set the scene for a cryptic mystery. When Seb and Herbert start their first term at Sennocke School, neither of them can envisage the journey that lies ahead of them to decipher a code that has remained a tantalising secret for two decades. 'A story of two young friends who stumble upon a cryptic mystery in their boarding school which proves to be key to a generations-old...