"Mail by Carrier Pigeons: Memoirs of the Siege of Paris" - this book by Dagron, Proudhon René-Patrice, tells the story of the unique postal service system that was implemented during the siege of Paris. In this book you will find fascinating details about the use of pigeons to deliver letters and messages during difficult times when communication with the world was limited. The author describes in detail the role of messenger pigeons in providing communication between the besieged city and the outside world, and also reveals interesting facts about their incredible devotion and loyalty to their duties. This book is a fascinating testament to the ingenuity and courage of men in the face of danger and want, and how common pigeons became invaluable helpers in maintaining communication and promoting victory during the siege of Paris."