2 books · Ages 8–12 · Chapter Books
National Geographic World History Biographies is a 2-book series for ages 8–12 by Ellen Galford. Each book stands alone — start anywhere.
Start anywhere — each book stands alone.
That said, Hatshepsut: The Princess Who Became King and Galileo: The Genius Who Faced the Inquisition are great first picks.
No particular order needed — browse and pick what catches your eye.