Heroes of Olympus

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Overview:

Title: Heroes of Olympus
Author: Rick Riordan
Year: 2017
Type: Omnibuses

Editions/Publications:

2017 . Heroes of Olympus (2017, Rick Riordan, Puffin, ISBN-10: 9780241335581, £39.95, 2896 pages, Trade Paperback, Omnibus)
2018 . Heroes of Olympus (2018, Rick Riordan, Puffin, ISBN-10: 9780241399446, £23.99, ebook, Omnibus)