Book 8 of Cloak Games. Serious spoilers ahead.
Starting with the way Nadia is getting back at the Rebels in the opening with a raid and destruction. But then she gets the phone call: it's time for her to steal the second thing for them. And they send a stranger to pick her up. He tells her he's driving her from Denver to Washington DC.
The problems include some assassination attempts, what the Rebels have to do to keep from breaking the bargain, elemental fire panthers, mercury golems, a catering company that's only a shell, installing a new noble, and more.