Rookie Biographies offer an in-depth look at some of the most influential and interesting people in history. They might be innovative artists, like Maurice Sendak, or groundbreaking athletes like Muhammad Ali. Maybe they are ordinary people who do extraordinary things, like Alexander Hamilton. No matter what his or her story, the inviting text and exciting photos of these beginning biographies make exploring these fascinating people approachable and fun. Fascinating Fact: Beethoven played his first concert when he was seven years old.