Lydia's brother vanishes in a fog. She boards a flying ship and discovers she can create powerful constellations from her memories to battle Spellbinder. Junior sailor Lucas and her pet Critter join her rescue quest.
When her older brother Thaddeus is mysteriously abducted by the Spellbinder, Lydia sets out to find him in the Misty Sea. Taken in by the crew of the Dolphin, a flying ship, she becomes the apprentice of the astromancer Ambrosia.
A widowed child psychologist lives an isolated existence in rural New England. Caught in a deadly winter storm, she must find a way to rescue a young boy before he disappears forever.
