You might want to check out 'I Am Malala'. It's based on the true story of Malala Yousafzai and her fight for girls' education. The story is powerful and shows kids the importance of standing up for what's right.
Swing Kids has roots in actual events. While it may not be a strictly factual account, it draws upon real historical and social contexts to create its story. This gives it an authenticity that resonates with audiences.
No, Mockingbird is not a true story kids book. It's a fictional work that might draw inspiration from various themes and ideas but is not based on real events.