Episode details

Available for over a year
Sinclair McKay shares codebreaking puzzles from his book 'Secret Service Brainteasers'.
Programme WebsiteUse Âé¶¹Éç.com or the new Âé¶¹Éç App to listen to Âé¶¹Éç podcasts, Radio 4 and the World Service outside the UK.

Available for over a year
Sinclair McKay shares codebreaking puzzles from his book 'Secret Service Brainteasers'.
Programme Website