Waterfire Saga, Book Three Dark Tide (Waterfire Saga, Book Three) (Waterfire Saga, 3)From award winning author, Jennifer Donnelly, comes book 3 of the epic saga about six mermaids, Astrid struggles with a shameful secret, Ling discovers courage in a prison camp, and Serafina lines up allies to help fight the final battle for her underwater realm. Once a lost and confused princess, Serafina is now a confident leader of the Black Fin Resistance (BFR). While she works on sabotaging her enemy and enlisting allies for battle, her friends