Book Reviews

Book reviewed in this article: Introductory General Chemistry , by Stuart R. Brinkley Chemistry at Work , by William McPherson, William Edwards Henderson, both Professors of Chemistry in the Ohio State University, and George Winegar Fowler, Supervisor of Science, City Schools Van Nostrand's Scientific Encyclopedia , by Authorities in Each Field of Science. Contributing Editors: Geology—Richard M. Field, Ph.D., Princeton University; Astronomy and Navigation—Warren K. Green, Ph.D., Amherst College; Zoology—Arthur W. Lindsey, Ph.D., Denison University; Engineering and Aeronautics—Frederick T. Morse, M.E., E. E., University of Virginia; Medicine—R. S. Mueller, M.D., Columbia University; Mathematics—Lloyd L. Smail, Ph.D., Lehigh University; Mineralogy—Edward S. C. Smith, S.B., A.M., Union College; Chemistry—Ralph K. Strong, Ph.D., Rose Polytechnic Institute; Physics—Le Roy D. Weld, Ph.D., Coe College; Botany—R. M. Whelden, Ph.D., Massachusetts Inst. of Technology. Among the many Consulting Editors were the following: Robert H. Baker, Ph.D., D.Sc., University of Illinois; Hempstead Castle, Ph.D., Yale University; C. W, Cunningham, B.S., College of the City of New York; Herbert O. Elftman, Columbia University; Erich Hausmann, E. E., Sc.D., Polytechnic Inst. of Brooklyn; Adolph Knopf, Ph.D., Yale University; John C. Rathbun, Ph.D., College of the City of New York; Edgar P. Slack, S.B., Polytechnic Institute of Brooklyn; Hugh S. Taylor, D.Sc., F.R.S. Princeton University; John Turkevich, Ph.D., Princeton University; Volney H. Wells, Ph.D., Williams College. Buckram. Starcraft , by William H. Barton, Jr., Executive Curator, Hayden Planetarium, New York City, and Joseph Maron Joseph, Head, Science Department Radio, A Study of First Principles , by Elmer E. Burns Introductory Qualitative Analysis , by Warren C. Vosburgh, Professor of Chemistry at Duke University. Physics of Today , by John A. Clark, Chairman of the Standing Committee on Science for the Public High Schools of New York City, Frederick Russell Gorton, Head of the Department of Physics and astronomy, Michigan State Normal College, and Francis W. Sears, Assistant Professor of Physics, Massachusetts Institute of Technology. Clear Thinking, an Approach Through Plane Geometry , by Leroy H. Schnell, State Teachers College, Indiana, Pennsylvania, and Mildred Crawford, Roosevelt School, Michigan State Normal College Intermediate Algebra , by W. E. Brooke, Head of the Department of Mathematics and Mechanics, and H. B. Wilcox, Professor of Mechanics, Institute of Technology A Short Course in Trigonometry , by James G. Hardy. Biological Laboratory Technique , by H. Bronte Gatenby, Ph. D. Socialized General Mathematics , by Walter W. Hart, Formerly Associate Professor of Mathematics, School of Education, University of Wisconsin, and Cottrell Gregory, Chairman Mathematics Curriculum Committee Mathematics and Life, Book 2 , by G. M. Ruch, F. B. Knight, J. W. Stude‐baker. Introduction to Mathematical Probability , by J. V. Uspensky Freshman Mathematics , by Herman L. Slobin, Professor of Mathematics, and Walter E. Wilbur, Associate Professor of Mathematics, the University of New Hampshire. Elements of Statistical Method , by Albert E. Waugh The Number‐System of Algebra, Treated Theoretically and Historically , by Henry B. Fine