=Thrasymachus=, the Future of Morals. By C. E. M. JOAD, author of “The Babbitt Warren,” etc. _Second impression._ “His provocative book.”—_Graphic._ “Written in a style of deliberate brilliance.”—_Times Literary Supplement._ “As outspoken and unequivocal a contribution as could well be imagined. Even those readers who dissent will be forced to recognize the admirable clarity with which he states his case. A book that will startle.”—_Daily Chronicle._ =Lysistrata=, or Woman’s Future and Future Woman. By ANTHONY M. LUDOVICI, author of “A Defence of Aristocracy,” etc. _Second Impression._ “A stimulating book. Volumes would be needed to deal, in the fullness his work provokes, with all the problems raised.”—_Sunday Times._ “Pro-feminine but anti-feministic.”—_Scotsman._ “Full of brilliant commonsense.”—_Observer._ =Hypatia=, or Woman and Knowledge. By MRS BERTRAND RUSSELL. With a frontispiece. _Third impression._ An answer to _Lysistrata_. “A passionate vindication of the rights of woman.”—_Manchester Guardian._ “Says a number of things that sensible women have been wanting publicly said for a long time.”—_Daily Herald._ =Hephaestus=, the Soul of the Machine. By E. E. FOURNIER D’ALBE, D.SC. “A worthy contribution to this interesting series. A delightful and thought-provoking essay.”—_Birmingham Post._ “There is a special pleasure in meeting with a book like _Hephaestus_. The author has the merit of really understanding what he is talking about.”—_Engineering._ “An exceedingly clever defence of machinery.”—_Architects’ Journal._ =The Passing of the Phantoms=: a Study of Evolutionary Psychology and Morals. By C. J. PATTEN, Professor of Anatomy, Sheffield University. With 4 Plates. “Readers of _Daedalus_, _Icarus_ and _Tantalus_, will be grateful for an excellent presentation of yet another point of view.”—_Yorkshire Post._ “This bright and bracing little book.”—_Literary Guide._ “Interesting and original.”—_Medical Times._ =The Mongol in our Midst=: a Study of Man and his Three Faces. By F. G. CROOKSHANK, M.D., F.R.C.P. With 28 Plates. _Second Edition, revised._ “A brilliant piece of speculative induction.”—_Saturday Review._ “An extremely interesting and suggestive book, which will reward careful reading.”—_Sunday Times._ “The pictures carry fearful conviction.”—_Daily Herald._ =The Conquest of Cancer.= By H. W. S. WRIGHT, M.S., F.R.C.S. Introduction by F. G. CROOKSHANK, M.D. “Eminently suitable for general reading. The problem is fairly and lucidly presented. One merit of Mr Wright’s plan is that he tells people what, in his judgment, they can best do, _here and now_.”—From the _Introduction_. =Pygmalion=, or the Doctor of the Future. By R. MCNAIR WILSON, M.B.