Notes: Information originally from Amazon UK and publisher's site; updates from Kindle ebook downloaded from Amazon UK 2021-02-07, and Amazon UK and Kobo (GB) as of 2021-04-21. Amazon and Kobo's product pages list the publisher as Macmillan and/or Pan Macmillan, but the title page shows "Pan Books". Print length of 478 pages listed by Amazon and Kindle device; 542 pages listed by Kobo. Details from copyright page: First published 2019 by Macmillan This electronic edition first published 2020 [*] by Pan Books an imprint of Pan Macmillan ISBN 978-1-4472-8137-5 Copyright © Rutland Horizon Limited 2019 Cover design © www.blacksheep-uk.com Cover images © Shutterstock [* It is unknown why the copyright page implies this ebook was not published until 2020, when all sources explicitly agree on the 2019-10-31 publication date.]