Festival favourite Sinclair returns with 50 Codes that Changed the World – and your chance to solve them!The bestselling author and social historian’s latest book is a cunning chronicle of codes that altered the course of history. From the temples of Ancient Greece to the present-day, Sinclair has compiled the complete guide to the hidden world of codebreaking, with opportunities to see if you could have cracked some of the trickiest puzzles and lip-chewing codes from history.
This event is sponsored by St Helen and St Katharine