by Derek Sivers
Paperback
details (UK).
(see also: Audible Audiobook · eBook (Kindle) · Audio CD)
details (USA).
(see also: Audible Audiobook · eBook (Kindle) · Audio CD)
details (Germany).
(see also: CD-ROM · Audible Hörbuch · Kindle Ausgabe)
details (Canada).
(see also: eBook (Kindle) · Audio CD · Audio CD)
ISBN: 978-0-241-20904-2
ISBN-10: 0-241-20904-8
Penguin · 2015