From the throne of glass rules a king with a fist of iron and a soul as black as pitch. Assassin Celaena Sardothien won a brutal contest to become his Champion. Yet Celaena is far from loyal to the crown. She hides her secret vigilantly; she knows that the man she serves is bent on evil. Keeping up the deadly charade becomes increasingly difficult when Celaena realizes she is not the only one seeking justice. As she tries to untangle the mysteries...

Royal assassin Celaena must travel to a new land to confront a truth about her heritage, while brutal and monstrous forces are gathering on the horizon, intent on enslaving her world.

In a world that is rapidly descending into chaos, Frey and Rafi are twin sisters, but few people know of Frey's existence, because she has been raised to be her sister's body double and lethal bodyguard, while Rafi has been raised to further the family's political power--but when their father sends Frey in her sister's place as collateral in a tricky deal, Col, the son of a rival leader, gets close enough to begin to suspect something, and Frey must...