The Hidden Twin

From Author Wars - https://authorwars.com/books/the-hidden-twin-1957506.html

Overview:

Title: The Hidden Twin
Author: Adi Rule
Year: 2016
Type: Novels

Editions/Publications:

2016 . The Hidden Twin (2016, Adi Rule, St. Martin's Griffin, ISBN-10: 9781250036322, $19.99, 324 pages, Hardcover, Novel)
2016 . The Hidden Twin (2016, Adi Rule, St. Martin's Griffin, ISBN-10: 9781250036315, $9.99, pages, ebook, Novel)

Genres/Themes:

young-adult fantasy