Burning Core

The quest for the Empyrean Flame has begun, and a deadly new threat has appeared from beyond the realms of mortals.As the new school year begins, Jace and his friends must puzzle out the meaning behind the map sent by a mysterious benefactor. But as Jace's daunting quest leads him to the most exotic destinations on Earth, he finds himself hunted by the last person he'd expected to oppose his mission: his own mother.

With the heretics hot on his trail and a chaotic invasion looming, Jace and his friends must overcome challenges like none they've ever faced.

Because the end of one myth is often the beginning of a new legend...

Burning Core is book four in the bestselling School of Swords and Serpents series, a tale of wuxia adventure, cultivation mastery, and lurking threats.