24. Psychical Research.
By PROF. W.F. BARRETT, formerly President of the Society for Psychical Research. A strictly scientific examination.
9. The Evolution of Plants.
By DR. D.H. SCOTT, President of the Linnean Society of London. The story of the development of flowering plants, from the earliest zoological times, unlocked from technical language.
43. Matter and Energy.
By F. SODDY, Lecturer in Physical Chemistry and Radioactivity, University of Glasgow. "Brilliant. Can hardly be surpassed. Sure to attract attention."—New York Sun.
41. Psychology, The Study of Behaviour.
By WILLIAM MCDOUGALL, of Oxford. A well digested summary of the essentials of the science put in excellent literary form by a leading authority.
42. The Principles of Physiology.
By PROF. J.G. MCKENDRICK. A compact statement by the Emeritus Professor at Glasgow, for uninstructed readers.
37. Anthropology.
By R.R. MARETT, Reader in Social Anthropology, Oxford. Seeks to plot out and sum up the general series of changes, bodily and mental, undergone by man in the course of history. "Excellent. So enthusiastic, so clear and witty, and so well adapted to the general reader."—American Library Association Booklist.
17. Crime and Insanity.
By DR. C.A. MERCIER, author of Text-Book of Insanity, etc.
12. The Animal World.
By PROF. F.W. GAMBLE.
15. Introduction to Mathematics.
By A.N. WHITEHEAD, author of Universal Algebra.