For many people, Timbuktu is a metaphor for the mysterious, the remote, or the unobtainable. But the Malian city of Timbuktu was, in fact, once a thriving center of commerce and intellectual activity. In the lessons of this curriculum unit, students will learn about the geography of Mali and the early trade networks that flourished there. They will study how the spread of Islam influenced the cultures and economies along the Niger River. They will find out about the three kingdoms that evolved in ancient and medieval West Africa.