by Rick Riordan
Paperback
details (UK).
(see also: eBook (Kindle) · CD-ROM · Audio CD)
details (USA).
(see also: Audible Audiobook · eBook (Kindle))
details (Germany).
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details (Canada).
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ISBN: 978-0-14-133146-1
ISBN-10: 0-14-133146-1
Puffin · 2010