The Italian educator and physician Maria Montessori (1870-1952) is best known for the teaching method that bears her name. She was also a lifelong pacifist, although historians tend to consider her writings on this topic as secondary to her pedagogy. In The Best Weapon for Peace, Erica Moretti reframes Montessori's pacifism as the foundation for her educational activism, emphasizing her vision of the classroom as a gateway to reshaping society...