Oathbreaker, book 1: Assassin's Apprentice
Susan Vaught et J. B. Redmond2009

A murderer shoves a prince to his 'death.'

An assassin legally kidnaps a terrified boy.

A ruling lord orders an atrocity so devastating it will change the course of history.

So begins this highly original and engaging epic fantasy, a story of love, family trust, sworn promises and hard-earned friendships, in which two boys must put aside their childhood understanding of the world and accept their own incredible power to do right.