In a country with as much space as is still available in the United States, the housing problems do not constitute, except in a few places, a major factor from the point of view of health. True, in Philadelphia there are reported to be 10,000 insanitary privies, Chicago has some tenements, and the difficulties of New York City are perhaps as great as those of any community in the world. It is, no doubt, with a view to anticipating situations that may arise that Pink presents the story of housing in this volume, emphasizing the manner in which many important European communities have solved their troubles, and looking forward to the tremendous saving that is to be realized when cities are constructed on a definite city plan. The work is exceedingly well written, beautifully printed, and profuse with good illustrations. Any one at all interested in the subject will find