Uganda, Nigeria, Ghana, Gabon and South Africa, while his chosen subject of exploration is, in his own (uncharacteristically poetic) phrase, &lsquoreligions of the earth.&rsquo By this, he means the older pagan and animistic beliefs and customs, especially those relating to indigenous healing and soothsaying. He finds them lying not far below the surface among many Africans who are officially and outwardly adherents of Islam or Christianity, which he calls &ldquothe foreign-revealed religions&rdquo.