Trylle Series by Amanda Hocking

When Wendy Everly was six-years-old, her mother was convinced she was a monster and tried to kill her. It isn't until eleven years later that Wendy finds out her mother might've been telling the truth. With the help of Finn Holmes, Wendy finds herself in a world she never knew existed - and it's one she's not sure if she wants to be a part of.Includes a bonus story "The Vittra Attacks"

When Wendy Everly first discovers the truth about herself—that she’s a changeling switched at birth—she knows her life will never be the same. Now she’s about to learn that there’s more to the story… She shares a closer connection to her Vittra rivals than she ever imagined—and they’ll stop at nothing to lure her to their side. With the threat of war looming, her only hope of saving the Trylle is to master her magical powers—and marry an equally powerful royal... moreWhen Wendy Everly first discovers the truth about herself—that she’s a changeling switched at birth—she knows her life will never be the same. Now she’s about to learn that there’s more to the story… She shares a closer connection to her Vittra rivals than she ever imagined—and they’ll stop at nothing to lure her to their side. With the threat of war looming, her only hope of saving the Trylle is to master her magical powers—and marry an equally powerful royal. But that means walking away from Finn, her handsome bodyguard who’s strictly off limits…and Loki, a Vittra prince with whom she shares a growing attraction. Torn between her heart and her people, between love and duty, Wendy must decide her fate. If she makes the wrong choice, she could lose everything, and everybody, she’s ever wanted…in both worlds. As a special gift to readers, this book contains a new, never-before-published bonus story, “One Day, Three Ways,” set in the magical world of the Trylle. less

Wendy Everly is facing an impossible choice. The only way to save the Trylle from their deadliest enemy is by sacrificing herself.  If she doesn’t surrender to the Vittra, her people will be thrust into a brutal war against an unbeatable foe.  But how can Wendy leave all her friends behind…even if it’s the only way to save them? The stakes have never been higher, because her kingdom isn’t the only thing she stands to lose... moreWendy Everly is facing an impossible choice. The only way to save the Trylle from their deadliest enemy is by sacrificing herself.  If she doesn’t surrender to the Vittra, her people will be thrust into a brutal war against an unbeatable foe.  But how can Wendy leave all her friends behind…even if it’s the only way to save them? The stakes have never been higher, because her kingdom isn’t the only thing she stands to lose. After falling for both Finn and Loki, she’s about to make the ultimate choice…who to love forever. One guy has finally proven to be the love of her life—and now all their lives might be coming to an end.  Everything has been leading to this moment.  The future of her entire world rests in her hands—if she’s ready to fight for it. less