“As a summary of all that is to be said on the subject, thrown into readable form, the book is well done; ... almost no topic is left untouched.”--_Nation._ “What strikes one in reading this book even more than its readableness, is the wide range of its information.... The points of view offered are many and diversified.... No argument worth using is left unused.”--_The Evening Mail._ “The subjects discussed include the causes and consequences of war; modern warfare; private war and the duel; perpetual peace or the federation of the world; arbitration, the political economy of war, and Christianity and war. It is a notable book, or will become one as it is widely read.”--Editorial in _The Boston Herald_. “The Arbiter’s friends are drawn from several ranks in life, and they bring to the symposium wide reading in the literature of the subject, logical powers and a persuasive manner of speaking. ‘The Arbiter in Council’ may be regarded as a conspectus of the best thought on warfare, especially in relation to the topic of universal peace.”--_Philadelphia Press._ 6 + 567 pages, 8’vo., cloth, $2.50 net. On many of the subjects touched upon in Miss Addams’s “The Newer Ideals of Peace” interesting material may be found in the volumes named below:-- ON CITY GOVERNMENT The American City By DELOS F. WILCOX, Ph. D. “In the ‘American City’ Dr. Wilcox ... has written a book that every thoughtful citizen should read. The problems of the street, the tenement, public utilities, civic education, the three deadly vices, municipal revenue and municipal debt, with all their related and subsidiary problems, are clearly and fully considered.”--_Pittsburgh Gazette._ =6 + 423 pages, 12 mo., cloth, leather back, $1.25 net.= _Citizen’s Library._ ON THE LABOR PROBLEM Labor Problems By THOMAS SEWALL ADAMS, Ph. D., Assistant Professor of Political Economy, and HELEN L. SUMNER, Honorary Fellow in Political Economy, University of Wisconsin. “A volume which has a labor-saving value for any library.... Here one finds upon each of the problems treated--woman and child labor, immigration, strikes and boycotts, labor organizations and employers’ associations, the agencies of industrial peace, profit-sharing, co-operation, industrial education, labor laws, and the material progress of the wage-earning classes--the principal facts and comments of all the chief authorities ... with helpful bibliographical lists and references to volumes and chapters.”--_The Commons_, Chicago. =15 + 579 pages, cr. 8 vo., cloth, $1.60 net.= ON INDUSTRIAL LEGISLATION Some Ethical Gains Through Legislation By MRS. FLORENCE KELLEY.