by Edward de Bono
Paperback
details (UK).
(see also: eBook (Kindle))
details (USA).
(see also: Audible Audiobook)
details (Germany).
(see also: Kindle Ausgabe)
details (Canada).
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ISBN: 978-0-14-103307-5
ISBN-10: 0-14-103307-X
Penguin · 2009