Seoafin Wilde was taught by her parents that every breath was a treasure and to seek every adventure she could find. She learns this lesson the hard way after they perish in a plane crash. When she discovers there’s a parallel universe where every person has a twin, she finds a witch who can send her there so she can see her parents again. And have the adventure of a lifetime.

There's nothing Jasper Maxwell likes better than a good chase. He is patient and cunning, and he is known as one of the coldest hunters in the immortal realm. As a vampire with a hint of demon blood in him, he stands out even amongst the finest trackers in the shifter world. So the fact that his mate has managed to escape him for the past five decades is something that keeps him intrigued and more obsessed with every passing year. The game is beyond delicious until a century-old enemy resurfaces, putting his sweet little mate in danger. At that point, he has no choice but to secure her.

Rachel Armstrong has a burning need to right the world’s wrongs. Thus, she becomes the Avenging Angel. And maybe she’s a bit too cocky about it. While riding a hunch about the identity of a kidnapper, she runs into Julien “Cap” Jackson, who was trained by the team at Nightingale Investigations in Denver. Now he’s a full-fledged member at their newly opened Phoenix branch. It takes Cap a beat to realize Raye’s the woman for him. It takes Raye a little longer (but just a little) to figure out how she feels about Cap.

Leah Buchanan's family has been in service to vampires for five centuries. Even so, Leah wants nothing to do with her family's legacy. But when she's summoned to her Selection by the Vampire Dominion, under familial pressure, she has no choice but to go. Lucien has been living under the strict edicts of the Vampire Dominion for centuries, but he's tired of these ancient laws stripping away everything that is the essence of the vampire. So he's taking it back. And this is because Lucien has been watching and waiting for decades for Leah.

Heiress Daphne Ryan is uncertain about spending a week at the sprawling country estate of the family of her sister’s boyfriend. For starters, she doesn’t get along with her sister. Then there’s the fact his family is old, wealthy aristocracy, and Daphne’s from brash, new American money. Mostly, it’s that everyone knows Duncroft House is haunted by the ghost of a 1920s film star who died there. Deemed an accident, for nearly a century, people are sure it was murder.