Alternating Currents

Penguin Books Ltd, Harmondsworth, Middlesex, England Penguin Books Pty Ltd, Ringwood, Victoria, Australia

First published in the U.S.A. 1956 Published in Penguin Books 1966

This collection copyright © Frederik Pohl, 1956, 1964

Made and printed in Great Britain by Cox & Wyman Ltd. London, Fakenham and Reading Set in Monotype Imprint

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