The Librarian's Vampire Assistant, Book 5. The Librarian's Vampire Assistant

From New York Times Bestseller Mimi Jean Pamfiloff comes the a vampire-mystery-slash-romance-slash-adventure about a librarian and her trusty vampire assistant, The Librarian's Vampire Assistant, Book 5. NEVER HIRE A HANDSOME VAMPIRE!MIRIAM MURPHY loves being a librarian. It's all she's ever wanted-to eat, breathe, and sleep books. But when she hired Michael, a handsome college student, she had no idea he was a four-hundred-year-old vampire and that inviting him into her life would result in her becoming one too.
But not before he knocked her up and broke her heart. Now Miriam is a single mother, all alone in a new world with a new vampire body. And someone's trying to kill her. Who? Why? She has no real enemies. If only Michael would help. After all, he's the vampire king now. And this is one mystery she can't solve on her own. NEVER FALL FOR A LIBRARIAN!MICHAEL VANDERHORST knows he's changed. He can no longer love or laugh or enjoy hot peppers like he used to.
But being an unfeeling, ruthless vampire is what it takes to rule the deadliest bloodsuckers on the planet. It's the only way to keep humankind safe. Problem is, his enemies know the librarian and his daughter are special to him. They are his to protect, even if he's incapable of feeling love.  But when danger comes knocking at Miriam's library door, he must choose between solving the biggest mystery of his existence and the woman he swore to protect. What's a vampire king to do?