American Medicine in Crisis, by Edward P. Luongo, Department of Community Medicine and International Health, Georgetown University School of Medicine. xiii + 194 pages, illustrated. Philosophical Library Inc., 15 East 40th St., New York, New York 10016. 1971. $9.95.

Borrelia: Strains, Vectors, Human and Animal Borreliosis, by Oscar Felsenfeld, Division of Communicable Diseases, Delta Regional Primate Research Center. xii + 180 pages, illustrated. Warren H. Green, Inc., 10 S. Brentwood Blvd., St. Louis, Missouri 63105. 1971. $12.50.

The Cell Cycle and Cancer, edited by Renato Baserga, The Biochemistry of Disease: A Molecular Approach to Cell Pathology, edited by Emmanuel Farber, Volume 1. xii + 481 pages, illustrated. Marcel Dekker, Inc., 95 Madison Ave., New York, N. Y. 10016. 1971. $29.50.

Ecology and Physiology of Parasites: A Symposium Held at University of Toronto 19 and 20 February 1970, edited by A. M. Fallis. x + 258 pages, illustrated. University of Toronto Press, 33 East Tupper St., Buffalo, N. Y. 14203. 1971. $15.00.