NEW BOOKS 



A Short History of Belgium. By Leon Van der Essen, Professor of History in 

 the University of Louvain. $1.50, postpaid $1.65. In this new and enlarged edition 

 the author tells in an interesting way of the formation, struggles, and triumphs 

 of the little kingdom; presents additional material on the reign of Leopold H; and 

 describes the heroic nation's part in the Great War. 



A Field and Laboratory Guide in Physical Nature-Study. By Elliot 

 R. Downing, Associate Professor of Natural Science in the School of Education, the 

 "University of Chicago. Loose-leaf, no pages of text, interleaved, paper covers; 

 $1.00, postpaid $1.10. Tells how to make toys that work by air, heat, electricity, 

 light, and other physical agencies. The child learns the principles without effort 

 while he is absorbed in making the toys. Also tells about the common minerals and 

 rocks and the stars that are the wonder of every child. 



The Geography of the Ozark Highland of Missouri. By Carl Ortwin 

 Salter, the University of Michigan. $3.00, postpaid $3.20. The purpose of such a 

 study is twofold: to furnish an adequate explanation of the conditions of life in a 

 given area, and to contribute proved statements which will aid in working out funda- 

 mental principles. A valuable feature of the volume is the forty-four figures in the 

 text and twenty-six plates. 



A Manual of Style (Revised Edition) . By the Staff of the Unr-ersity of Chi- 

 cago Press. $1.50, postpaid $1.65. An invaluable handbook for writers, editors, 

 teachers, librarians, ministers, lawyers, printers, pubUshers, proofreaders — for all who 

 need guidance on matters of propriety in style. 



Current Economic Problems (Revised Edition). Edited by Walton H. 

 Hamilton, Professor of Economic Institutions, Amherst College. $3.50, postpaid 

 $3.75. A selection of readings from the widest range of sources. The revision pre- 

 sents new material made available as a result of the war^ and the new point of view 

 brought about by the war in many lines of thinking on economic subjects. 



Problems of Fertilization. By Frank R. Llllie, University of Chicago. $i.7Si 

 postpaid $1.90. As the problem of fertilization deals with the union of male and 

 female sex elements, which forms the beginning of each individual's life-history, it has 

 important bearings upon the problems of heredity. It also has close relations to 

 several other fundamental biological problems. 



The Revelation of John. Is the Book of Revelation a Mystery to You ? By 

 Shirley J. Case, Professor of Early Church History and New Testament, the Uni- 

 versity of Chicago. $2.00, postpaid $2.15. This is a popular presentation of tJie 

 subject and not a technical commentary. The author tells why and when the book 

 was written. 



The Spread of Christianity in the Modern World. By Edward Caldwell 

 Moore, Harvard University. $2.00, postpaid $2.15. The book gives a survey 

 of the expansion of Christianity since the beginning of the modem era, about 1757, 

 and depicts the movement against the background of general history. 



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