"Don't let her know you're scared," Alexander's father had said to him the first time Alexander had sat on Sari's back. Fourteen-year-old Alexander Altmann doesn't need to look at the number tattooed on his arm. A10567: he knows it by heart. He also knows that to survive Auschwitz, he has to toughen up. Being soft will get him killed. When he is given the chance of breaking in the commander's new horse, their survival becomes intertwined. Alexander knows the animal is scared and damaged, but he must win its trust. If he fails, they will both be killed