The Viper's Chase - Stephen Hagelin

Leif and Fryn, newly famous bounty hunters in the Faerie Hunter Commission, have a lot more to worry about than catching their latest lawbreaker. Bound together by Fryn’s bloodcrafting—a fact she knows and he doesn’t—in what is turning out to be more than just a business partnership, they find themselves caught in a thickening web of politics and deceit. Anyone around them could turn out to be an adversary or ally.

As they’re forced to choose between the powerful and the mistreated, profit and loss, success and disaster, their steps are dogged by the relentless shadow of someone they’d never expected to hear from again and who may hold the key they need to survive.