Book reviews in this article:ClinicalPsychology. By C. M. Louttit.Clinical andExperimentalStudies inPersonality. By Morton Prince.A SourceBook ofGestaltPsychology.By W. D. Ellis.A BiologicalApproach toTheProblems ofAbnormalBehavior.By Milton Harrington.RecentExperiments inPsychology.By Leland W. Crafts, Theodore C. Schneirla, Elsa E. Robinson, and Ralph W. Gilbert.ScientistsAreHuman. (No. 6,Library of Science and Culture.) By Dr. David Lindsay Watson.