Night Reigns
Ami isn't much for trusting strangers. She has a hard time trusting anyone. But she's no coward, and she's no pushover in the protection department either. So when she comes across a mysterious warrior taking on eight deranged vampires on his own, she doesn't hesitate to save his bacon. Of course, that was before she realized what one little rescue would get her into...
Marcus Grayden has been an immortal protector of humanity for eight hundred years, and at the moment he's not interested in backup. From the moment Ami arrives in his life, he can't deny that she's strong, smart, and extremely skilled at watching his back. But she's also destroying his protective solitude and stirring desires he can't bear to awaken. After all, whatever her secrets — how can she defeat death itself?
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Dianne Duvall
When Dianne Duvall writes, she doesn't just build worlds—she bridges them. One moment, you're steeped in a centuries-old battle between immortals and vampires; the next, you're racing through the stars with alien warriors and psychic empaths. It’s that seamless fusion of paranormal suspense, time travel, and sci-fi romance that’s made her a staple on the New York Times and USA Today bestseller lists—and a favorite for readers who crave adrenaline-laced love stories with depth.
Immortal Guardians
Immortal Guardians consists of seven primary books, and includes two additional books that complement the series but are not considered mandatory reads. The current recommended reading order for the series is provided below.

