Common thought holds that the Montessori world disdains new technologies and does not allow their use in schools or in the family. But this is not the case: Montessori itself believed that the introduction of "mechanical aids" would become a necessity in the schools of the future. How to behave then? Mario Valle in his book  tackles the question from a particular point of view: super-computer expert (he is employed at the Swiss Center for Scientific Computing in Lugano) and fascinated by the Montessori approach, he shows how technologies can be used in schools.The result is a very interesting book, which is both an excellent exposition of Maria Montessori's thought and a useful practical guide for curious teachers eager to introduce new technologies into the classroom (with a "Montessori spirit").