Book reviewed in this article:Notes on Chemical Research, by W. P. Dreaper, Editor of the Chemical WorldFirst Year in Bookkeeping and Accounting, by George A, McFarland and Irving D. Rossheim, University of PennsylvaniaHygiene for the Worker, by William H. Tolman, Ph.D., Director American Museum of Safety, New York City and Adeliade Wood Guthrie, Department of Research, American Museum of Safety. Edited by C. Ward Crampton, M. D., Director of Physical Training, Department of Education, New York CityPractical Physics for Secondary Schools, by N. Henry Block, Roxbury Latin School, Boston, and Harvey N. Davis, Harvard UniversityThe Origin of Life, by Ralph E. Blount, Waller High School, ChicagoOutlines of Physiology, by Edward Groves Jones, A.B., M.D., Professor of Surgery in Atlanta School of Medicine and Allen H. Bunce, A.B., M. DHousehold Bacteriology, for Students in Domestic Science, by Estelle D. Buchanan, M.S., recently Assistant Professor of Botany, Iowa State College and Robert Earle Buchanan, Ph.D., Professor of Bacteriology, Iowa State College and Bacteriologist of the Iowa Agricultural Experiment StationPractical Mathematics, Part IV, Trigonometry and Logarithms, by Claude I. Palmer, Assistant Professor of Mathematics, Armour Institute of TechnologyEssentials of Physics for College Students, by Daniel W. Hernig, New York UniversityCommercial Values, an Atlas of Raw Materials of Commerce and Commercial Interchanges, by Mark Jefferson, Professor of Geography in the Michigan State Normal CollegeTeachers' Manual of Biology, a Handbook to Accompany the Applied Biology and the Introduction of Biology by Maurice A. Bigelow and Anna N. Bigelow, by Maurice A. Bigelow, Professor of Biology in Teachers College, Columbia UniversityTextbook of Anatomy and Physiology for Nurses, by Elisabeth R. Bundy, M. D., Member of Medical Staff of the Woman's Hospital of Philadelphia; Gynecologist of the New Jersey Training School for NursesElementary Biology, Animal and Human, by James Edward Peabody, A.M., Head of Department of Biology, Morris High School, New York City, and Arthur Ellsworth Hunt, Ph.D., Head of the Department of Biology, Manual Training High School, BrooklynCollege Algebra, by William B. File, Professor of Mathematics in Columbia UniversityPractical Geometry and Graphics for Technical Students. Pages viii+621. 13times19 cm. Price $2.00. Practical Mathematics for Technical Students. Pages viii+513. 13times19 cm. Price $1.50. Edward L. Bates, Lecturer on Geometry at the L. C. C. School of Building, Brixton, London, and Frederick Charlesworth, Lecturer on Practical Mathematics and Geometry at the Southwestern Polytechnic Institute, LondonThe Development of the Human Body, A Manual of Human Embryology, by J. Playfair McMurrich, A.M., Ph.D., LL.D., Professor of Anatomy in the University of TorontoGas Analysis, by L. M. Dennis, Cornell UniversitySchool Hygiene, by Fletcher B. Dunbar, United States Bureau of EducationArithmetic by Practice, by D. W. Werremeyer, High and Manual Training School, Ft. Wayne, IndFrancis W. Parker School, New York. The Morning Exercise as a Socialising Influence, by the FacultyThe Way to the Heart of the Pupil, by Dr. Hermann Weimer. Biebrich on Rhine, translated by J. Remsen Bishop and Adolph Niederpruem, Eastern High School, DetroitCatalogue of High School and College TextbooksThe Idea of the Industrial School, by Georg Keischensteiner; translated from the German by Rudolf PintnerChemical Theory and Calculations, by Forsyth J. Wilson and Isidor M. Heilbun, Royal Technical College; GlasgowA High School Algebra, by I. W. A. Young, Associate Professor of the Pedagogy of Mathematics in the University of Chicago and Lambert L. Jackson, formerly Professor of Mathematics in the State Normal School, Brockport, N. YAcademic Algebra, by George Wentworth and David Eugene Smith