Raised to kill dragons along with her sister, Dani Rivera unexpectedly forges a rare and magical bond with one who makes her question everything she thought she knew about dragons, which pits her against her sister.

it's kill or be killed where dragons are concerned. That's the only thing sisters Dani and Eden Rivera agree on. For Dani, dragon slaying takes a back seat to normal high school life, while Eden prioritizes training above everything else. Until Dani comes forges a rare and magical bond with Nox. Now she realizes that everything she thought she knew about dragons is wrong. With Dani lost to the dragons, Eden turns to the sorcerers to help save her sister. Now on opposite sides of the conflict, the sisters are playing with magic that is more dangerous than they know. And there is another, more powerful enemy waiting for them both in the shadows.... -- adapted from jacket