"Jay Neugeboren traverses the Hitlerian tightrope with all the skill and formal daring that have made him one of the most honored writers of literary fiction and masterful nonfiction. This new book is, at once, a beautifully realized work of imagined history, a rich and varied character study and a subtly layered novel of ideas, all wrapped in a propulsively readable story. Neugeboren is marvelous. Part of the power of this intelligently and finely...