This book is a biography of the two explorers who together discovered the North Pole in 1909.
The true story of eighteenth-century mathematician Sophie Germain, who solved the unsolvable to...
Inspired by the #1 New York Times bestseller She Persisted by Chelsea Clinton and Alexandra Boiger...
It's the summer of 1858, and London's River Thames STINKS. What is creating this revolting smell...
Dorothy Vaughan, Mary Jackson, Katherine Johnson, and Christine Darden were good at math…really good...
In difficult times, Mister Rogers' Neighborhood provided a refuge for children and their families...