Codebreakers: The true story of the secret intelligence team that changed the course of the First World War

by: James Wyllie · Michael McKinley Hardcover details (United Kingdom). (see also: eBook (Kindle)) details (Germany). (see also: Kindle Ausgabe) ISBN: 978-0-09-195772-8 ISBN-10: 0-09-195772-9 Ebury Press · 2015