No Exit by Taylor Adams

Nobody said being the daughter of an army general was easy. But when her dad sends a teenage subordinate to babysit her while he’s away… That’s taking it a step too far.

Cade, as beautiful as he is deadly, watches Kori with more than just interest. He looks at her like he knows her very soul. And when he saves her from a seemingly random attack, well, that’s when things get weird.

Turns out, Kori’s dad isn’t just an army general—he’s the head of a secret government project that has invented a way to travel between parallel dimensions. Dimensions where there are infinite Koris, infinite Cades…and apparently, on every other Earth, they’re madly in love.

Falling for a soldier is the last thing on Kori’s mind. Especially when she finds herself in a deadly crossfire, and someone from another Earth is hell-bent on revenge…