The Guns of October 1.The Insight Team of the London Sunday Times: The Yom Kippur War. (Garden City: Doubleday, 1974. Pp. xi, 514. $10.00.) 2.Lawrence L. Whetten: The Canal War: Four-Power Conflict in the Middle East. (Cambridge: The MIT Press, 1974. Pp. xii, 520. $17.50.) 3.Chaim Herzog: The War of Atonement: October, 1973. (Boston: Little, Brown and Company, 1975. Pp. viii, 300. $10.00.)