Rachel Bross 
The Family [EPUB ebook] 

Lamia gone. Unexplainable fire powers. New siblings. Possible love lost. Now what’s in store for Sarah and Peter?
The two are returning home to bury Sarah’s parents. But less than an hour after they’re in the ground, two strangers burst into the kitchen.
Who are they? What do they want?
A new threat sends Sarah and Peter on the run once again, and this time they must navigate a new and unforgiving world while finding out new truths.
What could be waiting for them on their journey, and can the two emerge unscathed?