The Secret Listeners: How the Y Service Intercepted the German Codes for Bletchley Park: The Men and Women Posted Across the World to Intercept the German Codes for Bletchley Park

by Sinclair McKay Paperback details (UK). (see also: eBook (Kindle) · Audible Audiobook) details (USA). (see also: eBook (Kindle) · Audible Audiobook) details (Germany). (see also: Kindle Ausgabe) details (Canada). (see also: eBook (Kindle) · Audible Audiobook) ISBN: 978-1-78131-079-3 ISBN-10: 1-78131-079-3 Aurum Press Ltd · 2013