Book reviewed in this article:Algebra for Today, by William Betz, Vice‐principal of the East High School and Specialist in Mathematics for the Public Schools of Rochester, New York. Pp. x+472+46. 14.5times19.5 cm. 1929.Modern Plane Geometry, by John C. Stone, Professor of Mathematics, State Teachers College, Montclair, N. J., and Virgil S. Mallory, Assistant Professor of Mathematics, State Teachers College, Montclair, N. J., formerly Head of the Department of Mathematics, East Orange High School, N. J. Pp.New Plane Geometry, by Herbert E. Hawkes, Ph. D., Professor of Mathematics in Columbia University; William A. Luby, A. M., Head of the Department of Mathematics in the Junior College of Kansas City; and Frank C. Teuton, Ph. D., Professor of Education and Director of Educational Research in the University of Southern California. Pp viii+428. 14.5times19.5 cm. 1929.The Psychology of Learning Applied to Health Education through Biology, by Anita Duncan Laton, Ph. D., Teachers College, Columbia University, Contributions to Education, No. 344.Reference Book of Inorganic Chemistry by Wendell M. Latimer, Associate Professor of Chemistry in the University of California, and Joel H. Hildebrand, Professor of Chemistry in the University of California. 1st Edition. viii+442. 3times15times22 cm.Dynamics by A. S. Ramsey, M. A., President of Magdalen College, Cambridge; and University Lecturer in Mathematics. Cambridge at the University Press.Elementary Statistics by J. Harold Williams, Associate Professor of Education, University of California at Los Angeles. Cloth. Pages xvi+220. 13times19.5 cm.Direct Current Electricity by L. Raymond Smith, Instructor in Industrial Physics, Dickinson High School, Jersey City, N. J. First Edition. Cloth. Pages xi+262.Organic and Food Chemistry by Garry Eugene Culver and Thomas Arthur Rogers, Central State Teachers College, Stevens Point, Wisconsin. Cloth. Pages vii+212. 13times19.5 cm.Smith's College Chemistry, by James Kendall, F. R. S. Professor of Chemistry in the University of Edinburgh; formerly Professor of Chemistry at Columbia University and at New York University. Revised edition. Pp xii+759. 4times15times22 cm.Introduction to College Physics by Clinton Maury Kilby, Professor of Physics in Randolph‐Macon Woman's College, Lynchburg, Virginia. Cloth. Pages vii+349.Principles of Animal Biology, Third Edition, by A. Franklin Shull, Professor of Zoology in the University of Michigan, with the collaboration of George R. Larue, Professor of Zoology in the University of Michigan, and Alexander R. Ruthven, Professor of Zoology and Director of the Museum of Zoology in the University of Michigan. 405 pages, 265 figures. McGraw Hill Book Company, Inc.Prevention of Disease in the Individual, by Kenelm Winslow, Attending Physician to Seattle City Hospital and King County Hospital, Washington. Third edition. Foreword by Dr. Chas. H. Mayo. Pp.Memoranda of Toxicology by Max Trumper, Consulting Clinical Chemist and Toxicologist. In Charge of Pyscho‐Biochemistry Laboratory, Graduate School, University of Pennsylvania. Second Edition. Cloth. Pages xii+214. 11times15.5 cm. 1929. P. Blakiston's Son and Company