American anthropologist Oscar Lewis secured permission from Fidel Castro to undertake three years of field research on cultural and economic change in Cuba in the decade after the victory of Castro’s M—26 Movement. This book delves into Lewis’ research goals, methods, the training and composition of his field team, and the difficulties of executing the plan in the political climate in Cuba at the time. The government’s reasons for early termination of the research agreement are enumerated and their many discrepancies and inconsistencies evaluated. The experience of Project Cuba offers lessons on the difficulties of doing social science research in any highly surveilled, politically controlled environment however sympathetic the principal investigator.