49. PSYCHOLOGY, THE STUDY OF BEHAVIOUR
By Prof. W. McDougall, F.R.S., M.B. “A happy example of the non-technical handling of an unwieldy science, suggesting rather than dogmatising. It should whet appetites for deeper study.”—Christian World.
53. THE MAKING OF THE EARTH
By Prof. J. W. Gregory, F.R.S. (With 38 Maps and Figures.) “A fascinating little volume.... Among the many good things contained in the series this takes a high place.”—The Athenæum.
57. THE HUMAN BODY
By A. Keith, M.D., LL.D., Conservator of Museum and Hunterian Professor, Royal College of Surgeons. (Illustrated.) “It literally makes the ‘dry bones’ to live. It will certainly take a high place among the classics of popular science.”—Manchester Guardian.
58. ELECTRICITY
By Gisbert Kapp, D.Eng., Professor of Electrical Engineering in the University of Birmingham. (Illustrated.) “It will be appreciated greatly by learners and by the great number of amateurs who are interested in what is one of the most fascinating of scientific studies.”—Glasgow Herald.
62. THE ORIGIN AND NATURE OF LIFE
By Dr Benjamin Moore, Professor of Bio-Chemistry, University College, Liverpool. “Stimulating, learned, lucid.”—Liverpool Courier.