Connor, Risa, and Lev are running for their lives. The Second Civil War was fought over reproductive rights. The chilling resolution: Life is inviolable from the moment of conception until age thirteen. Between the ages of thirteen and eighteen, however, parents can have their child "unwound," whereby all of the child's organs are transplanted into different donors, so life doesn't technically end. Connor is too difficult for his parents to control....

Throughout history, people have vanished with no explanation. A group of teenagers is about to discover why. Cade is settling into a new boarding school, contemplating his future, when he finds himself transported to another realm. He soon realizes this new world is populated with lost remnants from the past: prehistoric creatures, ancient relics, and--stranger still--people. Overwhelmed by his new surroundings, Cade has little time to adjust, for...