"Had it not been for the information obtained at these centres, it could have been London and not Hiroshima which was devastated by the first atomic bomb." - L. St. Clare Grondona

A few days before the start of World War Two, Secret Intelligence Service spymaster Thomas Kendrick arrived at the Tower of London to trial a top secret operation: German prisoners’ cells were to be bugged and listeners installed behind the walls to record and transcribe their private conversations.


This intelligence gathering mission proved so effective that it would go on to be set up at a further three sites – and provide the Allies with crucial insight into new technology and deadly V-weapons being developed by the Nazis.

In this astonishing history, Helen Fry uncovers the inner workings of the bugging operation.

BOOK RELEASE: August 2019

On arrival at stately-homes-turned-prisons like Trent Park, high ranking German Generals and commanders were given a ‘phoney’ interrogation, then treated as ‘guests’, wined and dined at exclusive clubs, given cigars and whiskey, and encouraged to talk.


And so it was that the Allies got access to some of Hitler’s most closely guarded secrets – and from those most entrusted to protect them...