Pi? A short video explains…
- Ann McCallum Staats
- July 20, 2015
Ann McCallum Staats
Ann is the award-winning author of over a dozen books for kids. Her latest is FANTASTIC FLORA: THE WORLD'S BIGGEST, BADDEST, AND SMELLIEST PLANTS illustrated by Zoe Ingram (Candlewick/MIT Kids Press, 2025).