Dance of Thieves - By Mary E. Pearson

A formidable outlaw family that claims to be the first among nations.
A son destined to lead, thrust suddenly into power.
Three fierce young women of the Rahtan, the queen's premier guard.
A legendary street thief leading a mission, determined to prove herself.
A dark secret that is a threat to the entire continent.
When outlaw leader meets reformed thief, a cat-and-mouse game of false moves ensues, bringing them intimately together in a battle that may cost them their lives—and their hearts