The Priory of the Orange Tree - Samantha Shannon

The New York Times bestselling " epic feminist fantasy perfect for fans of Game of Thrones " (Bustle).
NAMED A BEST BOOK OF THE YEAR BY:
AMAZON (Top 100 Editors Picks and Science Fiction and Fantasy) * CHICAGO PUBLIC LIBRARY * BOOKPAGE * AUTOSTRADDLE
A world divided.
A queendom without an heir.
An ancient enemy awakens.
The House of Berethnet has ruled Inys for a thousand years. Still unwed, Queen Sabran the Ninth must conceive a daughter to protect her realm from destruction—but assassins are getting closer to her door.
Ead Duryan is an outsider at court. Though she has risen to the position of lady-in-waiting, she is loyal to a hidden society of mages. Ead keeps a watchful eye on Sabran, secretly protecting her with forbidden magic.
Across the dark sea, Tané has trained all her life to be a dragonrider, but is forced to make a choice that could see her life unravel.
Meanwhile, the divided East and West refuse to parley, and forces of chaos are rising from their sleep.