The Best Children's Books of the Year 2019, Bank Street College In 1950, girls didn't play baseball--until Kathryn Johnston changed Little League. In 1950, Kathryn Johnston wanted to play Little League baseball, but an unwritten "rule" kept girls from trying out. So she cut off her hair and tried out as a boy under the nickname "Tubby." She made the team--and changed Little League forever. This is a story about wanting to do something so badly, you're willing to break the rules, and how breaking those rules can lead to change.