Originally published in the United Kingdom by Chicken House in 2016 Originally published in the United Kingdom by Nosy Crow Ltd., London, in 2019 Originally published in the United Kingdom in 2013 by Jonathan Cape Originally published in the United Kingdom by Oxford University Press, 2011 Originally published in the United Kingdom by Oxford University Press, 2017 Originally published in the United States by Dial Books, 1976. "Originally published in the United Kingdom by Oxford University Press, Oxford, in 2020." Originally published in hardcover by Random House Children's Books in 2007 Originally published in Australia by Allen & Unwin in 2018 Originally published in London by Nosy Crow in 2018