Oprah Winfrey is known all around the world as a talk‑show host, actress, producer, and helper of many people. But her life didn’t start out easy. When she was young, she faced a lot of hard times. Instead of giving up, she used those challenges to grow stronger and kinder. Today, people admire Oprah because she shows what courage, kindness, and determination can do. She became one of the most successful African American leaders of the twentieth century, and many people call her one of the most influential women in the world.

Asha and Baz are spending the day at their community garden when their teacher presents a new challenge: use a compass rose and a map to track down pieces of a secret message hidden among the plants. But following the map’s directions turns out to be trickier than they expected. Feeling stuck, the friends look to the past for help—and suddenly find themselves transported to 1978, face‑to‑face with mathematician Gladys West.

"If only you'd been a boy," said Lizzie Cady's father when she won a prize for Latin. But Lizzie...

Learn about the amazing accomplishments of women from Amelia Earhart to Zora Neale Hurston.

This...