by Spencer Johnson
Hardcover
details (United Kingdom).
(see also: eBook (Kindle) · CD-ROM)
details (USA).
(see also: Audible Audiobook · eBook (Kindle) · Audio CD)
details (Germany).
(see also: Kindle Ausgabe · CD-ROM · Audio CD)
details (Canada).
(see also: eBook (Kindle) · Audio CD · Audible Audiobook)
ISBN: 978-1-84737-549-0
ISBN-10: 1-84737-549-9
Simon & Schuster UK · 2009