Hainstock, Elizabeth G. The essential Montessori : an introduction to the woman, the writings, the method, and the movement / Elizabeth G. Hainstock. - Rev. and updated ed. - New York, NY : Plume, 1997. - 140p ; 21 cm. Includes bibliographical references. ISBN: 0452277965 : CIP entry 9780452277960 Subjects--Personal Names: Montessori, Maria, 1870-1952. Subjects--Topical Terms: Montessori method of education.