"Winged Couriers: Avian Espionage and the Siege of Paris" delves into one of the most remarkable and desperate communication networks in military history. During the devastating Prussian siege of Paris, the city was entirely cut off from the outside world, prompting a sudden and urgent need for a new method of transferring information. This book uncovers the hidden mechanics of how the French postal service turned to homing pigeons and cutting-edge micro-photography to bypass enemy lines. ...