An international bestseller—“an elegant, charming, and heartwarming fable...one part Zelig, one part Siddhartha, and one part Rin Tin Tin” (Vogue)—about an extraordinary fox terrier who helps his Jewish family escape from Nazi Germany, becomes a Hollywood star, and ultimately contributes to Hitler’s downfall.

Levi, a fox terrier, lives with his family in a grand townhouse in Berlin. Each day he enjoys a walk through the neighborhood, where people greet him by...