"Nielsen has written an unusually fine examination of the role of religion in the life and work of our Presidents. It is comprehensive, balanced and thorough….all students of American history will especially appreciate his careful treatment of this understudied topic, since it reveals ethical issues and nuances not examined in conventional studies of American history. Students of religion will appreciate the connections between the personal piety and the social justice efforts of each president studied. I heartily recommend this book!"George M. Atkinson, Director emeritus, SMU, Perkins School of Theology South, Houston, Texas