Destruction of Magic Series by April Canavan

Magic is fading throughout the world and the supernatural realms can feel the strain growing daily, but Sarah doesn't care about any of that. She cares about protecting her son from her vampiric ex-husband who is obsessed with gaining power. She'll stop at nothing to ensure that Alex doesn't get his hands on Jackson, even if it means welcoming more vampires and other supernatural beings into her life... moreMagic is fading throughout the world and the supernatural realms can feel the strain growing daily, but Sarah doesn't care about any of that. She cares about protecting her son from her vampiric ex-husband who is obsessed with gaining power. She'll stop at nothing to ensure that Alex doesn't get his hands on Jackson, even if it means welcoming more vampires and other supernatural beings into her life. Their journey takes her across the country, seeking the help of a witch that has invaded her son's dreams.  A vampire named Zander threatens to bring all of her carefully constructed walls crashing down. She'll break every rule and every preconceived notion they have about her, as long as she can save her son and give him the future that was stolen from her. Sarah's path connects to the very battle that she tries to avoid, and when she embraces not only her growing power, but also her destiny- she might be able to change the tides of fate. less

Take what you want, and never let go. Imogen’s life was turned upside down the night she is rescued by a goblin. Not just any goblin, either, but the Goblin King. He refuses to let her slip through his fingers, no matter how far she runs. A thousand years ago, Lachlan fell under a warlock’s influence. Cursed, surviving in the Shadowlands, not even the power of the Goblin King is enough to save him. Lachlan wants to protect Imogen from his world, even though she doesn’t need saving... moreTake what you want, and never let go. Imogen’s life was turned upside down the night she is rescued by a goblin. Not just any goblin, either, but the Goblin King. He refuses to let her slip through his fingers, no matter how far she runs. A thousand years ago, Lachlan fell under a warlock’s influence. Cursed, surviving in the Shadowlands, not even the power of the Goblin King is enough to save him. Lachlan wants to protect Imogen from his world, even though she doesn’t need saving. She’s made her choice and is determined to follow it through to the end. When an old enemy threatens the Shadowlands, Imogen might be the only one who stands in the way of their destruction. less