John R. Cavanach, M.D.: The Popes, the Pill and the People. Bruce Publ. Co., Milwaukee, Wise, 1965.128 pages, Price $2.50.Lawrence Q. Crawley, James L. Mafetti, Ernest I. Stewart, and Nini Vas Dias:Reproduction, Sex, and Preparation for Marriage. Prentice‐Hall, Englewood Cliffs, N.J., 1964. 240 pages, $5.95.Duvall, Evelyn Millis:Why Wait Till Marriage?Association Press, New York, 1965. 128 pages, $2.95.Albert Elus:The Case for Sexual Liberty. Volume 1. Seymour Press, Tucson, Arizona, 1965. 141 pages.