HOLT, JOHN. How Children Fail. New York: Dell, 1965. 181 pp. $1.75. GORDON, IRA J. Studying the Child in School. New York: Wiley, 1966. 145 pp. Cloth, $4.95; paper, $2.95. HERRIOTT, ROBERT E., and ST. JOHN, NANCY HOYT. Social Class and the Urban School: The Impact of Pupil Background on Teachers and Principals. New York: Wiley, 1966. 289 pp