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First published 2026 by

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© Rowan Thompson 2026

The right of Rowan Thompson to be identified as author of this Work has been asserted in accordance with sections 77 and 78 of the Copyright, Designs and Patents Act 1988.

This book is published under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) license.

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A CIP catalogue record for this book is available from The British Library.

ISBN 978-1-908590-78-7 (hardback)

ISBN 978-1-908590-79-4 (paperback)

ISBN 978-1-908590-81-7 (.epub)

ISBN 978-1-908590-80-0 (.pdf)

ISBN 978-1-912250-87-5 (.html)

DOI https://doi.org/10.63674/pycy9503

Cover image: From the British Library Collection: PP.1563. ACD, ‘Marshal of the Royal Air Force, Sir John Salmond, Inspecting a Squadron of the Air Defence Cadet Corps’, Air Review, October 1939, 8.

Cover design for University of London Press by Hayley Warnham.

Book design by Nigel French.

Text set by Westchester Publishing Services UK in Meta Serif and Meta, designed by Erik Spiekermann.