Africa Overland Road Atlas by ITM
There are three possible routes to traverse Africa top to bottom and traversing Africa is one of the great adventure trips in the world. This atlas portrays the eastern route from Cairo to Cape Town in a handy easy to use paperback. It covers 14 countries and gives advice on particularly sensitive travel areas. It has the recommended route, alternative routes - where possible and includes expressways, tracks and ferries.
The main coverage of the atlas is at a scale of 1:3,400,000, but it has many pages of city plans also.