The Dilemma of Penal Reform. By Dr. Hermann Mannheim, with a preface by Prof. A. M. Carr-Saunders. Allen & Unwin. 1939. pp. 228. 7s. 6d. This book is based on a course of public lectures given at the London School of Economics in 1938-9. Professor Carr-Saunders points ?ut that for the constructive development of Penal Reform we need, firstly, accurate systematic sociological and psychological s...