“An exceedingly important book.... Not only the best existing account, but it is easily the best book on American railway traffic.... We have little hesitation in expressing the opinion that it will stand as the standard reference work for a good many years, and from the standpoint of public policy we are exceedingly glad that the book has been written. The country would be better governed if the legislator, state and national, had to pass an examination upon it before taking his oath of office.”--_Railroad Age Gazette._ “A book the nation has needed.”--_New York Sun._ =McPherson’s The Working of the Railroads= By LOGAN G. MCPHERSON, Lecturer on Transportation at Johns Hopkins. 12mo. $1.50 net; By mail $1.63. “Simply and lucidly tells what a railroad company is, what it does, and how it does it. Cannot fail to be of use to the voter. Of exceeding value to the young and ambitious in railroad service.”--_The Travelers’ Official Railway Guide._ “The most important contribution to its branch of the subject that has yet been made.”--_The Dial._ “The author’s connection with practical service gives this a value which no other book quite equals. Up-to-date, informing, ... an excellent piece of work.”--_Wall street Journal._ =Carter’s When Railroads Were New= By CHARLES FREDERICK CARTER, with an Introductory Note by Logan G. McPherson. 16 full-page illustrations, 8vo, 312 pp. $2.00 net, by mail $2.16. A history of the every-day difficulties, discouragements and triumphs of the pioneers who built and ran the early railroads. With many anecdotes that add to the abundant human interest. “Full of interest. Besides the general chapter on the beginnings, it gives the early history of the Erie, the Pennsylvania, and the Baltimore and Ohio, of the Vanderbuilt lines, the first Pacific railroad, and of the Canadian Pacific. Very readable.”--_N. Y. Sun._ “Invaluable. It gathers the floating fragments of railroad history, weaving a human interest into a coherent record of every day trials and triumphs. A human and personal document, not a dry historical treatise or a batch of anecdotes.”--_Baltimore Sun._ “No book of adventure contains more exciting episodes or more varied interest. Every page is of live interest. So replete with curious information, thoroughly entertaining and instructive.”--_Brooklyn Eagle._ HENRY HOLT AND COMPANY PUBLISHERS NEW YORK * * * * * =BIOLOGY AND ITS MAKERS= By W. A. Locy. By the Professor of Biology in Northwestern University. 123 illustrations. 8vo. $2.75 net, by mail $2.88. “Entertainingly written, and, better than any other existing single work in any language, gives the layman a clear idea of the scope and development of the broad science of biology.”--_The Dial._