The book "Adrien-Marie Legendre" offers a comprehensive portrayal of the life and significant contributions of the French mathematician Adrien-Marie Legendre. Born on September 18, 1752, Legendre was a prominent figure in mathematics, making essential advances in the fields of statistics, number theory, abstract algebra, and mathematical analysis. His academic career began at the Collège Mazarin in Paris, where he received a first-class education. Throughout his career, he taught at various institutions, including the École Militaire and the École Normale. Legendre was recognized for his work, particularly for his treatise on projectiles in resistant media, which earned him the prize from the Berlin Academy. Despite the challenges he faced during the French Revolution, he remained an influential figure in mathematics and contributed to the development of numerous mathematical concepts.