Problems of Authority and Power in Africa 1.Gwendolen M. Carter, ed.: African One-Party States. (Ithaca: Cornell University Press, 1962. Pp. xii, 501. $7.25.) 2.William Gutteridge: Armed Forces in New States. (New York: Oxford University Press, 1962. Pp. xii, 68. $1.50.) 3.Henry L. Bretton: Power and Stability in Nigeria: The Politics of Decolonization. (New York: Frederick A. Praeger, 1962. Pp. xii, 208. $6.00.) 4.Alhaji Sir Ahmadu Bello: My Life. (New York: Cambridge University Press, 1962. Pp. x, 246. $5.50.)