Dragon Spawn (A Novel of the Lupi Book 13);

The New York Times bestselling author of Mind Magic returns as FBI agent Lily Yu gets some very bad news…
 
Lily learns she was right. Tom Weng—a powerful sorcerer allied with the Old One who keeps trying to take over the world—is still alive. But that's not the worst. Weng is a dragon spawn, the product of a botched hatching given a human form in an attempt to keep him from going mad. A failed attempt.
 
Meanwhile, Lily’s husband Rule is facing a Challenge to the death. Then there’s the possible reappearance of another sorcerer. But none of that matters when their enemy strikes out of nowhere in the worst way possible. Lily must face a nightmare and return to a place she never wanted to see again. The place where she died…