Ithaka O. 
He Asked Me A Question, I Answered with Truth [EPUB ebook] 
a novel

In a world where immortality is the ultimate secret, one moment of truth unleashes decades of deadly consequences.
When college freshman Henry Ward asks Celeste a seemingly innocent question—”Are you a vampire?”—she makes the fatal mistake of answering honestly.
What begins as an intoxicating romance between a curious human and a lonely immortal spirals into a dangerous game of manipulation spanning twenty years. After suddenly disappearing with a vial of her blood, Henry returns as humanity’s self-proclaimed savior, leading a crusade against the very creatures he secretly admires.
Now Celeste must confront the monster she created, unravel his web of lies, and face the devastating truth of her own betrayal.
*A blood-soaked exploration of loneliness, power, and the brutal honesty that can destroy worlds—or possibly save them.