Book Review: Concepts of God in Africa. By John S. Mbiti. SPCK, 1970. xv+348 pp. 60s. (28s. in Africa).; The Church Crossing Frontiers: Essays on the Nature of Mission in Honour of Bengt Sundkler. Edited by Peter Beyerhaus and Carl F. Hallencreutz. (Studia Missionalia Upsaliensia XI). Lund, C.W.K. Gleerup, 1969, xx+284 pp. (n.p.) - King, Noel Quinton (Theology, 1970)