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      First published by HarperCollinsPublishers 2016

      FIRST EDITION

      © Jack Cooke 2016, 2017

      Cover design by Dominic Forbes © HarperCollinsPublishers 2017

      Cover illustrations based on photographs © Jeff Gilbert/Alamy; Shutterstock.com (textures)

      A catalogue record of this book is available from the British Library

      Jack Cooke asserts the moral right to be identified as the author of this work

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      Source ISBN: 9780008157609

      Ebook Edition © April 2016 ISBN: 9780008153922

      Version: 2017-03-14

Dedication

      To my mother, who has a great love of trees and a mortal fear of heights

Epigraph

      ‘Back to the trees!’ shouted Uncle Vanya. ‘Back to nature!’

      The Evolution Man, Or, How I Ate My Father, Roy Lewis