Set in a world of perilous magic and moonlit forests, this seductive romantic fantasy tells the story of a defiant changeling, her cursed sister, and the dangerous fae lord she must defeat to save her family. In a kingdom where magic has been lost, Fia is a rare changeling, left behind by the wicked Fair Folk when they stole the High Queen's daughter and retreated behind the locked gates of Tír na nÓg. Most despise Fia's fae blood. But the queen raises her as a daughter and trains her to be a spy. Meanwhile, the real princess Eala is bound to Tír na nÓg, cursed to become a swan by day and only returning to her true form at night. When a hidden gate to the realm is discovered, Fia is tasked by the queen to retrieve the princess and break her curse. But she doesn’t go with her is prince Rogan, Fia's dearest childhood friend—and Eala’s betrothed. As they journey through the forests of the Folk, where magic winds through the roots of the trees and beauty can be a deadly illusion, Fia’s mission is complicated by her feelings for the prince…and her unexpected attraction to the dark-hearted fae lord holding Eala captive. Irian might be more monster than man, but he seems to understand Fia in a way no one ever has. Soon, Fia begins to question the truth of her mission. But time is running out to break her sister's curse. And unraveling the secrets of the past might destroy everything she has come to love.

When mysterious faeries from other realms appear at her university, curmudgeonly professor Emily Wilde must uncover their secrets before it’s too late, in this heartwarming, enchanting second installment of the Emily Wilde series. Emily Wilde is a genius scholar of faerie folklore who just wrote the world’s first comprehensive encyclopaedia of faeries. She’s learned many of the secrets of the Hidden Ones on her adventures . . . and also from her fellow scholar and former rival Wendell Bambleby. Because Bambleby is more than infuriatingly charming. He’s an exiled faerie king on the run from his murderous mother and in search of a door back to his realm. And despite Emily’s feelings for Bambleby, she’s not ready to accept his proposal of marriage: Loving one of the Fair Folk comes with secrets and dangers. She also has a new project to focus on: a map of the realms of faerie. While she is preparing her research, Bambleby lands her in trouble yet again, when assassins sent by his mother invade Cambridge. Now Bambleby and Emily are on another adventure, this time to the picturesque Austrian Alps, where Emily believes they may find the door to Bambleby’s realm and the key to freeing him from his family’s dark plans. But with new relationships for the prickly Emily to navigate and dangerous Folk lurking in every forest and hollow, Emily must unravel the mysterious workings of faerie doors and of her own heart.

A curmudgeonly professor journeys to a small town in the far north to study faerie folklore and discovers dark fae magic, friendship, and love in the start of a heartwarming and enchanting new fantasy series. Cambridge professor Emily Wilde is good at many things: She is the foremost expert on the study of faeries. She is a genius scholar and a meticulous researcher who is writing the world's first encyclopaedia of faerie lore. But Emily Wilde is not good at people. She could never make small talk at a party--or even get invited to one. And she prefers the company of her books, her dog, and the Fair Folk. So when she arrives in the hardscrabble village of Hrafnsvik, Emily has no intention of befriending the gruff townsfolk. Nor does she care to spend time with another new arrival: her dashing and insufferably handsome academic rival Wendell Bambleby, who manages to charm the townsfolk, get in the middle of Emily's research, and utterly confound and frustrate her. But as Emily gets closer and closer to uncovering the secrets of the Hidden Ones--the most elusive of all faeries--lurking in the shadowy forest outside the town, she also finds herself on the trail of another mystery: Who is Wendell Bambleby, and what does he really want? To find the answer, she'll have to unlock the greatest mystery of all--her own heart.