From Newberry Honor winning author Christina Soontornvat comes an enchanting conclusion to the Changelings duology—Can Izzy and the Changelings find the lost King's Key in time to save Earth?Life hasn't been the same since Izzy and her sister returned from their perilous trip to the magical land of Faerie. Sure, Izzy's glad to be back on Earth with her human family, but she can't stop thinking about the amazing Changeling friends she left behind—or the shocking secret she learned about her past. So when she gets a chance to return to Faerie, she jumps at the chance.But when a new evil threatens not only Faerie, but Earth itself, will Izzy be able to uncover the truth about herself and the Changelings in time to help save everyone she loves?Praise for The Changelings:"A richly drawn fairy world that will have readers staying way up past their bedtime to read what their plucky herione, Izzy, does next."—Jen Calonita, author of the Fairy Tale Reform School series"Fresh and imaginative—new