For most of his life (1898-1982), Maria Montessori’s son, Mario Montessori, was his mother’s dedicated companion and collaborator. And he was indeed her interpreter – both literally during her life and substantively after her death in 1952.

The first section of the book, Theory to Practice, consists of essays which explore significant theoretical aspects. In the second section, Practice to Theory, we explore specific aspects of Montessori educational practice which then illuminate theor...