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.

"Illusions shatter--and Sophie and her friends face impossible choices--in this astonishing eighth book in the New York Times and USA TODAY bestselling Keeper of the Lost Cities series. Sophie Foster wants answers. But after a lifetime of lies, sometimes the truth is the most dangerous discovery. Even the smallest secret comes with terrifying new responsibilities. And Sophie's not the only one with blank spots in her past, or mysteries surrounding...