<Tr> <Th> Preceded by </Th> <Td> The 5th Wave </Td> </Tr> <Tr> <Th> Followed by </Th> <Td> The Last Star </Td> </Tr> <P> The Infinite Sea is a young adult science fiction novel written by American author Rick Yancey . It was published on September 16, 2014 by G.P. Putnam's Sons . The novel is the second in The 5th Wave trilogy, preceded by The 5th Wave and followed by The Last Star . After fleeing from a camp established by aliens, 16 - year - old Cassie Sullivan, her brother and a squad of child soldiers attempt to prevent the extermination of the human race . </P> <P> The novel provides detailed histories of the secondary characters from the previous novel . Instead of just narration from Cassie, the narration shifts from the point of view of another teenage girl called Ringer . </P>

When is the second fifth wave coming out