Abstract Abstract Human Infection Carriers. By Charles E. Simon, B. A., M. D. Published by Lea & Febiger, 1919. 250 pages. Price $3.25. American Boys' Handy Book of Camp-Lore and Woodcraft. By Dan Beard. J. B. Lippincott Company, 1920. Price $3.00. Arteriosclerosis and Hypertension, with Chapters on Blood Pressure. Louis M. Warfield, A. B., M. D., F. A. C. P. C. V. Mosby Company, 1920. Safeguarding the Special Senses. H. O. Reik, M. D. F. A. Davis Company, Philadelphia, Pa., 1919. Price 75 cents. The Human Motor, or The Scientific Foundations of Labor and Industry. By Jules Amar, D. Sc., Director of the Research Laboratory of Industrial Labor at the Conservatoire National des Arts et Métiers, Paris. Pp. xiv, 470. With 309 illustrations and numerous tables. London: George Routledge & Sons, Ltd.; New York: E. P. Dutton & Co., 1920. Reviewed by George Van Ness Dearborn. Industrial Nursing. By Florence Swift Wright, R. N. Published by The Macmillan Co., 1919. 179 pages. Price $1.50.