Rebel girls (Chapter books)

"Sarah is the first in her family to be born free in Delta, Louisiana. But being free doesn't mean that Sarah doesn't have to work. She cooks, she cleans, she picks cotton, she does laundry, and she babysits. And when she works, she wraps up her hair. One day, Sarah's hair starts to fall out! It's itchy, crunchy, patchy, and won't grow. Instead of giving up, Sarah searches for the right products. And then she invents something better than any shampoo...

"Wangari lives in the lush, green, land of rural Kenya where the soil is perfect for planting, the trees tower into the sky, and the streams are full of mysterious creatures. All day, she plays beneath her favorite fig tree, and at night she gathers around the fire with her family to listen to her mother's stories. Then Wangari grows up and goes away to school, and things start changing at home. Farmers chop down the trees. Landslides bury the stream....