The Fifth Wave is a science fiction series written by Rick Yancey. It consists of three books: The Fifth Wave, The Infinite Sea, and The Last Star.
The series is set in a dystopian future where Earth has been invaded by an alien race known as the Others. The Others have wiped out most of the human population through a series of waves, each one more devastating than the last. The first wave was an electromagnetic pulse that destroyed all electronic devices and communication systems. The second wave was a series of earthquakes and tsunamis that devastated coastal areas. The third wave was a virus that killed off most of the remaining population. The fourth wave was the infiltration of human-looking alien hybrids into society, who manipulated and deceived the remaining survivors.
The main character of the series is Cassie Sullivan, a 16-year-old girl who has managed to survive the first four waves. Along with a small group of other survivors, Cassie sets out to find her little brother, who was taken by the Others during the fourth wave. Along the way, she meets Evan Walker, a mysterious boy who claims to be human but may have ties to the Others.
As Cassie and her group travel across a desolate landscape, they encounter other survivors, including a group of soldiers known as the Wright-Patterson Five, who are fighting against the Others. Cassie also discovers that there is a fifth wave coming, one that will be even more devastating than the previous ones.
The series follows Cassie as she tries to find her brother and fight against the Others, while also struggling with her feelings for Evan and trying to determine who she can trust. Along the way, she discovers that the line between good and evil is not always clear, and that the Others may not be the only threat to humanity.
The Fifth Wave series is a fast-paced, action-packed story that explores themes of survival, love, and what it means to be human. It is a must-read for fans of science fiction and dystopian literature.