"Conditions in the Sugar Market January to October, 1917," a pamphlet published by the American Sugar Refining Company, 117 Wall Street, New York, gives an admirable survey of the present situation as seen by the refiners. "Cuban Cane Sugar," by Robert Wiles, 1916 (Indianapolis: Bobbs-Merrill Co., 75 cents), an attractive little book in simple language. "The World's Cane Sugar Industry, Past and Present," by H.C.P. Geering. "The Story of Sugar," by Prof. G.T. Surface of Yale (Appleton, 1910). A very interesting and reliable book. The "Digestibility of Glucose" is discussed in _Journal of Industrial and Engineering Chemistry_, August, 1917. "Utilization of Beet Molasses" in _Metallurgical and Chemical Engineering_, April 5, 1917. CHAPTER X "Maize," by Edward Alber (Bulletin of the Pan-American Union, January, 1915). "Glucose," by Geo. W. Rolfe _(Scientific American Supplement_, May 15 or November 6, 1915, and in Boger's "Industrial Chemistry"). On making ethyl alcohol from wood, see Bulletin No. 110, Special Agents' Series, Department of Commerce (10 cents), and an article by F.W. Kressmann in _Metallurgical and Chemical Engineering_, July 15, 1916. On the manufacture and uses of industrial alcohol the Department of Agriculture has issued for free distribution Farmer's Bulletin 269 and 424, and Department Bulletin 182. On the "Utilization of Corn Cobs," see _Journal of Industrial and Engineering Chemistry_, Nov., 1918. For John Winthrop's experiment, see the same _Journal_, Jan., 1919. CHAPTER XI President Scherer's "Cotton as a World Power" (Stokes, 1916) is a fascinating volume that combines the history, science and politics of the plant and does not ignore the poetry and legend.