The Iron Traitor Av Julie Kagawa

After his unexpected journey into the land of the fey, Ethan Chase just wants to get back to his normal life with his girlfriend Kenzie. But when your sister is one of the most powerful faeries in the Nevernever, 'normal' simply isn't an option. Ethan's nephew, Keirran, is missing and on the verge of doing something unthinkable in the name of saving his own love.Something that will fracture the human and faery worlds forever. Now, as Ethan's and Keirran's fates entwine and Keirran slips further into darkness, Ethan's next choice will decide the fate of them all.