"Sophie battles the rebels-- and recovers dark memories from her past. She must question everything to find a truth that will either save her world-- or shatter it"--

When the tiny, invisible elves start harassing Hilda and her mother, Hilda must negotiate peace with the magical creatures so she doesn't have to move to Trolberg City.

Sophie Foster is back in the Lost Cities--butthe Lost Cities have changed. The threat of war hangs heavy over her glittering world, and the Neverseen are wreaking havoc. The lines between friend and enemy have blurred, and Sophie is unsure whom to trust. But when she''s warned that the people she loves most will be the next victims, she knows she has to act.

"Uptight elfin historian Brangwain Spurge is on a mission: survive being catapulted across the mountains into goblin territory, deliver a priceless peace offering to their mysterious dark lord, and spy on the goblin kingdom from which no elf has returned alive in more than a hundred years. Brangwains host, the goblin archivist Werfel, is delighted to show Brangwain around. They should be the best of friends, but a series of extraordinary double crosses,...

At age twelve, Sophie learns that the remarkable abilities that have always caused her to stand out identify her as an elf, and after being brought to Eternalia to hone her skills, discovers that she has secrets buried in her memory for which some would kill.