The second volume of this book was prepared by 78 contributors, several of whom are European. As in the first volume, each author wrote a chapter on the subject in which he was especially interested. Because there are so many authors, there is some unevenness. Some of the chapters are very long, and others are very short. The chapter on androgen therapy in gynecology occupies 31 pages, but the chapter on nonfunctioning benign tumors of the ovary takes up less than two pages, including the list of references. The chapter on hormone assays contains six pages of text and two and a half pages of references. In spite of the title of the book, three chapters are devoted to obstetrics. One deals with diagnostic tests of pregnancy, another with hydatidiform mole and chorioepthelioma and the third with threatened abortion.
Because nearly all the contributors are outstanding authorities, most of the