"Originally published in Great Britain by HarperCollins Children's Books in 2012"--Copyright page "Originally published in Great Britain by HarperCollins Children's Books in 2015" -- t.p. verso "Originally published in Great Britain by Hodder Children's Books"--Copyright page "Originally published in Great Britain in 2014 by Hodder Children's Books"--Copyright page First published in Great Britain by HarperCollins Childrens Books in 2019. First published in Great Britain by HarperCollins Childrens Books in 2020. "Originally published in Great Britain in 2017 by Macmillan Children's Books"--Copyright page "Originally published by HarperCollins, London, in 2014"--Copyright page "Originally published in a slightly different form by Random House Children's Books, in 1984"--Copyright page. Originally published: Great Britain : Macmillan Children's Books, 2005