9781108712903 (SKU 3292053), Cambridge University Press. Paperback / softback, published 3 October 2019. And that, without it, people fight. It shows that our 'jawprint' is the heaviest of all our impacts on our finite planet - and that, for civilisation to survive, how we produce food must change … Anyone with an interest in either the human future or food should read this clear, authoritative, scary book.