Apocalyptic Montessa and Nuclear Lulu — Mercedes M. Yardley

Her mama always said she was special.

His daddy called him a demon.

But even monsters can fall in love.

Montessa Tovar is walking home alone when she is abducted by Lu, a serial killer with unusual talents and a grudge against the world. But in time, the victim becomes the executioner as 'Apocalyptic' Montessa and her doomed lover, 'Nuclear' Lulu, crisscross the country in a bloody firestorm of revenge.