Ever since Kyra was abducted by aliens and then returned to Earth, she has known there was something different about her. Now she knows the truth: she is an alien too. But what she doesn’t know is what role she is to play in an impending alien invasion-and whether she can fight her inevitable destiny.

No matter what the truth is, Kyra is not going to stand by and let anyone hurt Tyler, the love of her life. Whatever it takes, Kyra will do everything in her power to save the world…even if it means making the ultimate sacrifice.

Perfect for fans of The Fifth Wave and The Body Finder series, The Countdown is the explosive finale to a chilling series that will have you questioning what exactly it means to be human.