9526515099
Kindle Edition
PKR 10301 (Digital Ebook)
Note: To get more detail about "Heroes of Olympus Complete Collection 5 Books Box Set -The Lost Hero/The Son of Neptune/The Mark of Athena/The Blood of Olympus by Rick Riordan (2015-06-07)" Kindle Ebook e.g. about Author, Publisher comments, ISBN etc just visit Amazon.com