Alan Gratz is a celebrated American author known for his impactful young adult and middle-grade novels that often explore themes of war, resilience, and human rights. Born in 1972, he hails from Knoxville, Tennessee, and holds a degree in creative writing. Gratz's breakout novel, "Prisoner B-3087," earned critical acclaim by recounting the harrowing experiences of a Holocaust survivor. His New York Times bestselling books like "Refugee" and "Allies" are lauded for their historical depth and action-driven narratives that captivate young readers. Gratz lives with his family in North Carolina and continues to write thought-provoking stories that inspire and educate.