The book represents a compilation of the papers read at the Symposium of the Leukemia Society of America in December 1966. Although the primary themes are etiology and treatment, both of these subjects are approached with considerable prejudice. The viral etiology of leukemia is heavily accented as is the "total kill" approach to the treatment of acute leukemias. Some of the other areas covered are the cytogenic alterations in leukemias; immunologic factors from the etiologic, therapeutic, and prophylactic standpoints; and the kinetics of leukemic cell proliferation, both in man and the mouse. The implications of cell proliferation relative to the overall problem of leukemia are scholarly evaluated.
Judging the tempo of activity in the field of leukemia research from the variety and quality of the presentations, it is obvious that the pace in the field is hectic. Which of the many approaches will in time bear fruit is difficult for