Title: The 5th wave (Keywords) and Author: Yancey Richard (Keywords)

Aliens have invade Earth, disguised as humans; Cassie is surviving solo in Southwestern Ohio, trying to escape notice and reunite with her father and brother. When she meets Evan Walker along the way, secluded in his family's farmhouse, she has to decide whether to trust him to help her find her ...

Cassie Sullivan, the survivor of an alien invasion, must rescue her young brother from the enemy with help from a boy who may be one of them.