Winner of Best of Los Angeles Award "Best Holocaust Book - 2021" “A must-read that hopefully will be adapted for the screen. Greene lets Wilzig’s effervescent spirit shine through, and his story will appeal to a wide variety of readers.” - Library Journal Unstoppable is the ultimate immigrant story and an epic David-and-Goliath adventure. While American teens were socializing in ice cream parlors, Siggi was suffering beatings by Nazi hoodlums for being a Jew and was soon deported along with his family to the darkest place the world has ever known: Auschwitz. Siggi used his wits to stay alive, pretending to have trade skills the Nazis could exploit to run the camp.