New Haven, CT: Yale University Press, (1997). Hardcover first edition - A book which reassesses the transition from paganism to Christianity - "many pagan practices persisted in the Christian church for hundreds of years after Constantine proclaimed Christianity the one official religion of Rome. . .[Macmullen] shows that the two religious systems were both vital during an interactive period that lasted far longer than historians have previously believed. . .; he demonstrates that pagan beliefs were not eclipse or displaced by Christianity but persisted or were transformed." Extensive notes, bibliography, index. vi, 282 pp. ISBN: 0-300071485.