With 16 Olympic medals between them, Simone Biles and Nadia Comaneci are two of the greatest athletes in the history gymnastics. Biles has dominated the world championships, and Comaneci earned perfect Olympic scores. But which gymnast is the best? Follow their careers and compare their greatest moments to choose a winner.

Lerner Audiobooks feature professional narration by human voice actors for an engaging audio experience! All accessibility features offered by the reader's platform, device, or reading software remain enabled, accessible, and usable with this product.