This is a stimulating collection of essays mainly by diplomatic historians. Most of them appeared in Diplomatic History, the admirable journal of the Society of Historians of American Foreign Relations, which Michael Hogan also edits. They tend toward the revisionist side, but are sufficiently diverse to arouse the reader's interest. As Raymond Garthoff notes in his own essay: "It was the Soviet threat, real or imagined, that generated the American dedication to waging the Cold War. . . . The revisionist interpretation errs in attributing initiative and design to American diplomacy, but it is not entirely wrong."