Born of Shadows by Sherrilyn Kenyon — book slip

In a universe dominated by the League and its assassins, survival is a daily battle. Caillen Dagan, a defiant soldier of fortune, is renowned for his legendary brushes with the law and death.

An act of rare heroism reveals his hidden birthright, thrusting him into a world of obscene wealth and lethal politics.

Desideria, a determined bodyguard for her queen, uncovers a ruthless plot to assassinate the queen and overthrow her country's government.

With assassination contracts out on both of them, Caillen and Desideria must learn to fight together or die alone.