This biography highlights the life and accomplishments of Muhammad Ali. Readers learn about Ali's early life, his gold medal win at the 1960 Olympic Games, his refusal to fight in the Vietnam War on religious grounds and ban from boxing, his return and five-year defense of the world heavyweight title. Features include a timeline, glossary, fun facts, online resources, and an index. Aligned to Common Core Standards and correlated to state standards. Checkerboard Library is an imprint of Abdo Publishing, a division of ABDO.