Bessey finally cleans up her messy room.

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-winnnig authors Patricia and Fredrick McKissack reveal the glory of these forgotten empires while inviting us to share in the inspiring process of historical recovery that is taking place today.

Rookie Readers "RM" have provided entertaining, high-quality introductions to reading for more than a generation. Each title features full-color, often hilarious illustrations and engaging stories that always involve a young child figuring out concepts or solving problems on his or her own. Every new title contains a Word List and a color-coded reading-level key on the back cover.

With only five more days of school remaining before summer vacation, nine-year-old Miami still faces several hurdles, such as how to get along with Destinee Tate, his nemesis.