CHARLES W. ROLL,JR. and ALBERT H. CANTRIL. Polls: Their Use and Misuse in Politics. Pp. xii,197. New York: Basic Books,1972. $6.95. DAVID LEBEDOFF. Ward Number Six. Pp. 179. New York: Charles Scribner,1972. $5.95

CHARLES W. ROLL,JR. and ALBERT H. CANTRIL. Polls: Their Use and Misuse in Politics. Pp. xii,197. New York: Basic Books,1972. $6.95. DAVID LEBEDOFF. Ward Number Six. Pp. 179. New York: Charles Scribner,1972. $5.95