The Cloud Searchers

Kazu Kibuishi's enchanting series about two ordinary children on a life-or-death mission continues! Emily, Navin, and their crew of resistance fighters charter an airship and set off in search of Cielis, a mythical city believed to be located on an island high above the clouds.They must get help from the Guardian Council's Stonekeepers. The mysterious Leon Redbeard is their guide, and there's a surprising new addition to the crew: the Elf King's son, Trellis.