"Wolf by Wolf" is a young adult novel by Ryan Graudin set in an alternate history where the Axis powers won World War II. The story follows Yael, a Jewish girl who survived a concentration camp and possesses the ability to shapeshift. She enters a motorcycle race across Europe to assassinate Adolf Hitler and change the course of history. The narrative explores themes of identity, resilience, and the impact of war. As Yael navigates the challenges of the race and her own past, she encounters various characters, each with their own motivations and secrets, ultimately leading to a gripping climax.