An inspirational historical novel inspired by the life of Polish mathematician Marian Rejewski, the Cypher Bureau is a must read for anyone interesed in World War 2 or code-breakingIng. In the wake of World War One the Polish Cypher Bureau discover that the Germans are using a new type of code that they are unable to decypher. In a ground breaking move they decide to recruit mathematicians and train them in code-breaking. Marian Rejewski excells at spy school and eventually he is one entrusted, alone, with the task of cracking the invincible code. In 1932 he suceeds but that is just the beginning. No-one knows the code has been broken. Marian and the Cypher Bureau must protect their dangerous secret at all costs. When Poland is invaded by Germany in September 1939 the Cypher Bureau are forced to flee Poland as they try to keep ahead of the Gestapo agents in their pursuit.. It is a journey that will take them across Europe and cost some their lives ……
