Hardcover
details (United States).(see also: Audible Audiobook · eBook (Kindle))
details (UK).(see also: Audible Audiobook)
details (Germany).(see also: Audible Hörbuch · Kindle Ausgabe)
details (Canada).(see also: Audible Audiobook · eBook (Kindle))
ISBN: 978-1-4262-1766-1
ISBN-10: 1-4262-1766-8
National Geographic · 2017