REVIEWS AND NOTICES OF BOOKS

W hat is H appiness ? By Martin Armstrong, Gerald Bullett, Havelock Ellis, John Hilton, Storm Jameson, Eric Link‐later, J. B. Priestley, V. S. Pritchett, Bertrand Russell, Sir Hugh Walpole. T he P sychology of S ocial M ovements : A P sycho ‐A nalytical V iew of S ociety . By Pryns Hopkins, M.A. P sychology and P astoral P ractice . By W. L. Northridge, M.A., B.D., Ph.D. S cience and N utrition . By A. L. Bacharach, M.A., F.I.C. With a Preface by J. C. Drummond H ealth and a D ay . By Lord Horder. T he V oluntary C itizen : A n E nquiry into the P lace of P hilanthropy in the C ommunity . By Constance Braith‐waite, B.Sc., Ph.D. P ractical S uggestions for T raining B ackward C hildren . By P. A. Barons A B ook of P ersonal R eligion . Edited by, Nathaniel Micklem H ygiene . By J. R. Currie, M.A., M.D., D.P.H., F.R.C.P.E. F irst A id in E mergencies . By Eldridge L. Eliason, A.B., M.D., Sc.D., F.A.C.S. T he E nchanted D oor : A F ireside P hilosophy . By Annie S. Swan. A n I ntroduction to a C hristian P sycho ‐T herapy . By J. A. C. Murray, B.D. B iology and C hristian B elief . By William Osborne Greenwood, M.D., B.S., F.R,S.E. T he P ort of L ondon M urders . By Josephine Bell.