Heaven must be missing an angel...

The angel Bethany and her mortal love, Xavier, have already pushed the boundaries of Heaven with their relationship. In this conclusion to the Halo trilogy, the two take their love to the next, forbidden step: They marry.

At a time when they believe nothing will come between them again, they are faced with their most daunting challenge yet: the Sevens, a military order of angels designed to maintain balance in the universe. These soldiers won't stop until their job is done - capture the wayward angel and send her home.

Secrets, exile, and unexpected allies flavor the rest of this intense love story and adventure. Beth discovers there is only one way back to earth, but the cost is higher than she - and readers - ever imagined. If she can survive, she can prove to Heaven and Earth that there is nothing stronger than the power of love.

I met someone who changed everything. Matthias. My autistic sister's guardian angel. Honest. Inspiring. Funny. Hot. And immortal. That was the problem. What could I do? I did what any other girl would do—I fell in love with him.

Zoe's sister darts in front of cars. Her brother's a pothead. Her parents are so overwhelmed; they don't see Zoe lost in her broken life. Zoe escapes the only way she knows how: partying. Matthias, a guardian sent from Heaven, watches over Zoe's autistic sister. After Zoe is convinced he's legit, angel and lost girl come together in a love that changes destiny. But Heaven on Earth can't last forever.