Aliens have invaded Earth. They send out four "waves;" first everything that has an engine or runs using electricity is dead. Next, there's a giant earthquake that sends everyone running toward the center of continents. With that many people in one place, disease kills most of the remaining population. Finally, the Others arrive. They plant themselves in human brains and take over their bodies. Cassie is one of the survivors. The Others take her brother, and Cassie wants to get him back.I liked this book. It was captivating and even though there were some big blocks of text I skipped over, it was good overall.
No warnings.
Next, I will read the second book in The Naturals series, Killer Instinct.

