All the papers appear to be of a high academic standard, and the topics discussed are of considerable relevance and importance ... It will be read for many years to come with benefit by scholars of many disciplines and also by others who are interested and concerned with the welfare of developing countries.

• PART I: Lado T. Ruzicka: INTRODUCTION: Problems and issues in the study of mortality differentials; PART II: METHODOLOGICAL ISSUES: Josianne Duchene & Guillaume Wunsch: Conceptual frameworks and causal modelling; onald H. Gray: The integration of demographic and epidemiologic approaches to studies of health in developing countries; Shiro Horiuchi: Some methodological issues in the assessment of the deceleration of the mortality decline; Stan D'Souza: Measures of preventable deaths in developing countries: Some methodological issues and approaches; PART III: BIOLOGICAL AND SOCIAL FACTORS: Eduardo E. Arriaga: Changing trends in mortality decline during the last decades; Jose Miguel Guzman: Trends in socio-economic differentials in infant mortality in selected Latin American countries; Budi Utomo: Socio-economic differentials in infant and child mortality in Indonesia in the 1970s: Trends, causes, and implications; Nusret H. Fisek: Determinants of child mortality in Turkey; Alberto Palloni: Effects of inter-birth intervals on infant and early child mortality; George C. Myers: Mortality and health dynamics at older ages; PART IV: CRISIS MORTALITY: Andre Bouckaert: Crisis mortality: Extinction and near-extinction of human populations; Penny Kane: Famine in China 1959-61: Demographic and social implications.