The Bridge Kingdom Tome 1

Raised as a warrior, Princess Lara knows two things. King Aren of the Bridge Kingdom is her enemy and that she must be the one to bring him to his knees. The Bridge Kingdom is the only route through a storm-ravaged world, and it uses its power to deprive its enemies, including Lara's homeland. When she's sent to be King Aren's bride, Lara will do whatever it takes to bring down the kingdom's defences, even if it means seducing her new husband.
Yet as she learns more about the war to possess the bridge, Lara's feelings for Aren transform from hostility to passion. And she (aces a terrible dilemma : which kingdom to save and which to destroy. Eraise for Danielle L. Jensen