Of Stone and Sky by Charissa Stastny

There’s been a mistake.
She expected a raise—
Not a termination notice.
Gemma might be a bit unorthodox, but she never imagined her work ethic would be questioned. Her blunt nature, maybe. Her false identity, sure. But her excellence? How far will she go to keep what’s rightfully hers?
Lincoln never makes mistakes. . . until Gemma enters his life. He takes an instant dislike to the outlandishly-dressed employee he must apologize to, but soon realizes she may be key to solving all his problems. Or complicating them.
A promising meeting leads to a fake engagement, sparking reluctant attraction.
Will ruse turn to romance?
It might not matter. . .
Because Gemma’s past is about to catch up to her.
Can their fragile love survive?