Adeline and her sister Evelyn may be royalty, but they have never felt entirely at home among their fellow elves. They wield the power of wishsongs: magical melodies that allow them to harness the energies in the world around them. But in a world deeply divided along cultural lines and still reeling from the wars of the past, some see the girls’ differences as dangerous. Almost as dangerous as the realm of the Dark Lord—secured behind an energy wall that seems to be failing . . . When Adeline’s...