Freeman-pedia's 4-page Post-Classical Africa covers all of the main information for the on the Sub-Saharan African Empires of Ghana, Mali, and Songhai.  Beyond these Empires, special focus is given to Bantu Migrations, Trans-Saharan Trade, Axum, Swahili City-States, and Great Zimbabwe.  Post-Classical Africa covers all of the main topics brought up by the College Board for AP World History in a visually appealing, colorful style.  These are notes to help you better understand how things developed in Post-Classical Africa.  This is a .pdf file that is easy to print for your binder or project onto a screen for your class. 

Freeman-pedia.com is run by a real AP World History teacher.  It is the #1 website for AP World History according to the largest online community of AP World History teachers (AP World History Teachers Facebook group, 2,500+ AP World History Teachers).