The Goblin's Curse: The Scions of Shadow Trilogy, Book 3

With the help of her elven friends, Keelie Heartwood should be able to heal the cursed tree she planted at the High Mountain Renaissance Faire. But rumors of a gathering goblin army make the elves question her loyalty. And when Keelie loses an important book of magic in a peculiar fire, the elves—including her boyfriend Sean—turn against her. Ultimately, it’s up to Keelie and a motley group of humans, dragons, and fae to save the faire from the most dangerous enemy of all.