Speech and the Development of Mental Processes in the Child

Penguin Education, Penguin Books Ltd, Harmondsworth, Middlesex, England Penguin Books, 625 Madison Avenue, New York, New York, 10022, U.S.A. Penguin Books Australia Ltd, Ringwood, Victoria, Australia Penguin Books Canada Ltd, 2801 John Street, Markham, Ontario, Canada, L3R 1B4, Penguin Books (N.Z.) Ltd, 182-190 Wairau Road, Auckland 10, New Zealand

First published in the USSR 1956 This translation first published in Great Britain by Staples Press 1959 Published in Penguin Books 1971 Reprinted 1972, 1973, 1975, 1978 This translation © Staples Press, 1959 All rights reserved

Printed in Great Britain by C. Nicholls & Company Ltd Set in Monotype Times

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