The #1 New York Times Bestselling Who Was? series expands into the board book space, bringing age-appropriate biographies of influential figures to readers ages 2-4.

Billie Jean King is a former #1 world tennis champion and social activist who has dedicated her life to fighting for equality. The chronology and themes of her life are presented in masterfully succinct text, made perfectly accessible for the youngest readers. And the fresh, stylized illustrations are sure to both captivate and inspire. With a read-aloud biographical summary in the back, this age-appropriate introduction honors the life and work of the one of the most influential and celebrated sports champions of our time.