The Son of Neptune (map)

From Author Wars - https://authorwars.com/books/the-son-of-neptune-map-2101930.html

Overview:

Title: The Son of Neptune (map)
Author: Kayley LeFaiver
Year: 2011
Type: Interior Art
Series: The Heroes of Olympus

Editions/Publications:

Unknown. The Son of Neptune (Unknown, Kayley LeFaiver, Hyperion Books, ISBN-10: 9781423140597, $19.99, [ix]+521 pages, Hardcover, Novel)
Unknown. The Son of Neptune (Unknown, Kayley LeFaiver, Disney/Hyperion Books, ISBN-10: 9781423141990, $9.99, [x]+521+[21] pages, Trade Paperback, Novel)