'An astonishing story... brilliantly told' Antony Beevor 'Gripping... Will appeal to anyone who relishes Ben Macintyre's tales of wartime espionage and cryptic codes.' Sunday Telegraph 'A detailed and meticulously researched tale about a pair of young German resisters that reads like a thriller.' New York Times Summertime, 1935. On a lake near Berlin, a young man is out sailing when he glimpses a woman reclining in the prow of a passing boat. Their eyes meet - and one of history's greatest conspiracies is born. Harro Schulze-Boysen had already shed blood in the fight against...

A Daily Telegraph History Book of the Year 'An astonishing story... brilliantly told' Antony Beevor 'Gripping... Will appeal to anyone who relishes Ben Macintyre's tales of wartime espionage and cryptic codes.' Sunday Telegraph Summertime, 1935. On a lake near Berlin, a young man is out sailing when he glimpses a woman reclining in the prow of a passing boat. Their eyes meet - and one of history's greatest conspiracies is born. Harro Schulze-Boysen had already shed blood in the fight against Nazism by the time he and Libertas Haas-Heye began their whirlwind romance. She joined...