In the third installment of the thrilling Amulet series, Emily, Navin,
and their crew of resistance fighters charter an airship and
set off in search of the lost city of Cielis, which is believed
to be located on an island high above the clouds. The mysterious
Leon Redbeard is their guide, and there's a surprising new addition
to the crew: the Elf King's son, Trellis. But is he ally or enemy?
And will Emily ever be able to trust the voice of the Amulet?