Penguin Books Ltd, Harmondsworth, Middlesex, England
Penguin Books Inc, 3300 Clipper Mill Road, Baltimore, Md 21211, U.S.A.
Penguin Books Pty Ltd, Ringwood, Victoria, Australia
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Original Swedish edition entitled
Barn- och ungdompsykologi
first published by Almqvist & Wiksell/Gebers Förlag AB, Stockholm
English translation published by Methuen 1966
Published by Penguin Books 1968
Copyright © Almqvist & Wiksell/Gebers Förlag AB, 1961
Translation copyright © Penguin Books Ltd, 1966
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Made and printed in Great Britain
by Hazell Watson & Viney Ltd
Aylesbury, Bucks
Set in Monotype Times Roman
This book is sold subject to the condition that it shall not, by way of trade or otherwise, be lent, re-sold, hired out, or otherwise circulated without the publisher's prior consent in any form of binding or cover other than that in which it is published and without a similar condition including this condition being imposed on the subsequent purchaser