Beautiful Darkness (Caster Chronicles #2) by Kami Garcia + Margaret Stohl

ONE NIGHT IN THE RAIN, ETHAN WATE OPENED HIS EYES AND FELL IN LOVE WITH LENA DUCHANNES.
HIS LIFE WOULD NEVER BE THE SAME.

Lena is a Caster and her family is locked in a supernatural civil war. On her sixteenth birthday Lena made a terrifying choice, which now haunts her day and night.

And as her seventeenth birthday approaches Lena and Ethan face greater danger. A Caster and a Mortal can never truly be together.

Every kiss is a curse.
Ethan's next heartbeat could be his last.
It is their curse now . . .