Waterfire Saga

1. 

   Book 1

   Deep Blue

   Jennifer Donnelly, Bea Miller

2. Rogue Wave (Waterfire Saga #2)Jennifer DonnellyDonnelly

   R

   Book 2

   Rogue Wave (Waterfire Saga #2)

   Jennifer Donnelly

3. 

   Book 3

   Dark Tide

   Jennifer Donnelly

4. 

   Book 4

   Sea Spell

   Jennifer Donnelly

Book data and covers from Open Library (openlibrary.org).