Treason (The Grimoire Saga #2) by S.M. Boyce (2012)

YA Fiction | Fantasy
Blurb:

“Kara Magari ignited a war when she stumbled into Ourea and found the Grimoire: a powerful artifact filled with secrets. To protect the one person she has left, she strikes a deal that compromises everything she believes in… and things don’t go as planned.  Continue reading →