Jennifer Donnelly collection Waterfire saga series 4 books set Rogue Wave New

Waterfire Saga Deep Blue

When Serafina, a mermaid of the Mediterranean Sea, awakens on the morning of her betrothal, her biggest worry should be about reuniting with handsome Prince Mahdi, her childhood crush. Instead she finds herself haunted by strange dreams foretelling the return of an ancient evil, and dealing with the deaths of her parents as assassins storm the betrothal ceremony, plunging the city into chaos.

Waterfire Saga Dark Tide
Six mermaids battle to save their hidden world.
Leaders of a resistance to the barbaric new regime, Serafina and Neela, are working hard to destabilise Vallerio, the new ruler of Cerulea. Becca, Ava and Ling are still hunting for their ancestors' talismans; the keys to keeping an ancient evil locked in its icy prison.

Waterfire Saga Sea Spell
Six mermaids battle to save their hidden world in Disney's epic series finale for fans of Percy Jackson and The Girl of Ink & Stars.

Waterfire Saga Rogue Wave
Serafina, Neela and four others have successfully escaped Captain Traho and his men after their hideout with the river witches was stormed. They must stop an ancient evil from escaping its icy prison by finding six talismans hidden by Serafina's ancestor hundreds of years before.