For more than a thousand years, from A.D. 500 to 1700, the medieval kingdoms of Ghana, Mali, and Songhay grew rich on the gold, salt, and slave trade that stretched across Africa. Scraping away hundreds of years of ignorance, prejudice, and mythology, award-winning authors Patricia and Fredrick McKissack reveal the glo Beautiful Feet Books resource: https://www.bfbooks.com/products/the-royal-kingdoms-of-ghana-mali-and-songhoy