The Storm — Cynthia Rylant

Life with only the sea can be lonely. Just ask Pandora and Seabold.

They've lived most of their lives with the sea--Pandora in a lighthouse and Seabold on a boat--and they're each quite used to being alone. Or they were.
     But one day, the sea did something extraordinary: It brought Pandora and Seabold together! And even better, the sea gave them the ingredients for an adventure that neither of them had considered before-an adventure called "family."