3 books · Ages 8–13 · Chapter Books
Voices is a 3-book series for ages 8–13 by E. L. Norry. Each book stands alone — start anywhere.
Start anywhere — each book stands alone.
That said, Two Sisters: A Story of Freedom and Hardit Singh Malik: World War One Flying Ace are great first picks.
No particular order needed — browse and pick what catches your eye.