This book grew out of the research of the Conservation of Human Resources Project at Columbia University. It provides an updated version of a book with the same title and by the same author that was published in 1959. The subject is discussed in the following chapters: I. The Work of Women; II. The Women Who Work; III. The Demands and Rewards of Women's Work; and IV. Women, Men, and Work: Values and Attitudes. An appendix provides a note on the statistics reported. Notes and an index are given. (DB)