This far-reaching novel by the powerhouse author of Before I Fall and the Delirium trilogy digs deep into questions of how to be a human being in a world where humanity cannot be taken for granted. Bestselling author Lauren Oliver brings the Replica duology to a shocking close in Ringer, but like both Gemma and Lyra, you won't be able to leave the world of Haven behind after you've turned the last page. Two girls, two stories, one epic novel.