Originally published in paperback in London by Puffin Books in 2018. Originally published in London by Nosy Crow in 2018 Originally published: London : Puffin Books, 2017. Originally published: London : Puffin Books, 2017 Originally published in Spanish. Barcelona : Mosquito Books, 2018. Originally published in translation by Pelican Books, 漏1971. Originally published in Australia by Allen & Unwin in 2018 Originally published in hardcover by Random House Children's Books in 2007 Originally published in paperback by Orion Children's Books, Hachette UK, London, in 2019. Originally published in paperback by Random House Children's Books, New York, in 1974