Book reviewed in this article:A Course of Study in Chemical Principles: by Arthur A. Noyes, Late Professor of Chemistry, California Institute of Technology and Miles S. Sherrill, Professor of Physical Chemistry, Massachusetts Institute of Technology. Second edition, rewrittenChemistry and You: by B. S. Hopkins, Professor of Inorganic Chemistry, The University of Illinois; R. E. Davis, Head of the Chemistry Department, Lane Technical High School, Chicago; H. R. Smith, Head of the Chemistry Department, Lake View High School, Chicago; Martin V. McGill, Head of the Chemistry Department, Lorain High School, Lorain, Ohio; G. M. Bradbury, Head of the Science Department, Montclair High School, Montclair, New JerseyHealth and Achievement. A Textbook of Health with a Physiological Background: by Edgar A. Cockefair, Professor of Biology, Central Missouri State Teachers College and Ada Milarn Cockefair, Instructor in Physiology, West High School, Madison, Wis.Methods and Materials for Teaching Biological Sciences. A Text and Source Book for Teachers in Training and in Service: by David F. Miller, Associate Professor of Zoology and Supervisor of Teacher Training in the Biological Sciences, Ohio State University and Glenn W. Blaydes, Associate Professor of Botany, Ohio State UniversityAdventures with Living Things. A General Biology: by Elsbeth Kroeber, Chairman Department of Biology James Madison High School, New York City and Walter H. Wolff, Chairman Department of Biology and General Science De Witt Clinton High School, New York City and Instructor, School of Education College of the City of New YorkThe Relative Merits of Three Methods of Subtraction: by John Theodore JohnsonTeaching Arithmetic in the Elementary School: by Robert Lee MortonElliptic and Hyperelliptic Integrals and Allied Theory: by the Late W. R. Westropp RobertsIntroduction to the Theory of Equations: by Louis WeisnerAnalytic Geometry and Calculus: by Frederick S. Woods and Frederick H. BaileyMathematical Adventures: by Fletcher DurellTrigonometry with tables: by Howard K. Hughes, Assistant Professor of Mathematics, Purdue University, and Glen T. Miller, Instructor in Mathematics, Purdue UniversityCollege Algebra: by Louis J. RousePhysical Geography and Geology: by L. Dudley StampScience in General Education, A Report of the Committee on the Function of Science in General Education, Commission of Secondary School Curriculum, Progressive Education Association. V. T. Thayer, ChairmanScience Problems for the Junior High School: by Wilbur Beauchamp, John C. Mayfield, and Joe Young WestAn Introduction to Laboratory Technique: by A. J. AnsleyPhysics, A Textbook for Colleges: by Oscar M. Stewart