Britain is a land of codebreakers. We are fascinated with spies, crosswords and murder mysteries.
This interest dates back to the 16th century, when the Elizabethans first became obsessed with trickery, cleverness and wordplay.
Here Dr James Fox, art historian and presenter of A Very British Renaissance on BBC Two, reveals some of the secret codes and hidden meanings that tantalised the Tudors.
Mr Kydd
