Guide to Apollo-Speak

From Author Wars - https://authorwars.com/books/guide-to-apollo-speak-2211914.html

Overview:

Title: Guide to Apollo-Speak
Author: Rick Riordan
Year: 2017
Type: Short Fiction

Editions/Publications:

2017 . The Dark Prophecy (2017, Rick Riordan, Disney/Hyperion Books, ISBN-10: 9781484746424, $19.99, 414 pages, Hardcover, Novel)
2018 . The Dark Prophecy (2018, Rick Riordan, Disney/Hyperion Books, ISBN-10: 9781484780640, $9.99, 414 pages, Trade Paperback, Novel)