The desperate sage for survival continues for Cassie and her companions. After making it through four waves of violence and mayhem by the aliens/Others, Cassie and the survivors must face the the fifth and deadliest wave. Winter is coming and Cassie is unsure whether to search for other survivors or keep hoping that Evan will come to her rescue. Will the human race finaly be exterminated? "The Infinite Sea" by Rick Yancy is the continuation of the "Fifth Wave" series. It is just as thrilling as the first book.