Adam Sutcliffe's book represents an important new synthesis, offering novel and insightful readings of both familiar and less-known thinkers. Since no one before him has attempted to examine so broadly European intellectual life in the seventeenth and eighteenth centuries from the perspective of attitudes toward Jews and Judaism, Sutcliffe's monograph represents a major contribution to Jewish and Enlightenment studies alike. What is especially remarkable is the range of erudition and mastery of sources on the part of a youthful author of a first book. Based on his doctoral dissertation written at University College London, the work shows immense learning, elegant prose, and a nuanced and sophisticated understanding of the Enlightenment project as well as the place of Judaism in the consciousness of its primary and less primary exponents.