Book reviewed in this article:The Elements of Industrial Engineering, by George Hugh Shepard, Professor of Industrial Engineering and Management, Purdue University, Lafayette, Indiana.The New World, Problems in Political Geography by Isaiah Bowman, Ph. D., Director of the American Geographical Society of New York. Fourth Edition. 257 Maps.Elementary Calculus, by Frederick S. Woods and Frederick H. Bailey, Professors of Mathematics in the Massachusetts Institute of Technology.Objective Tests by Jacob S. Orleans, formerly of the Educational Measurements Bureau, New York State Department of Education, and Glenn A. Sealy, District Superintendent of Schools, Lewis County, New York State. Cloth.Experimental Physics, a Laboratory Manual, by Albert Edward Caswell, Ph. D., Professor of Physics.