Clio Kaid may be 17 and just beginning the last summer before her senior year, but her life is anything but typical. She's just discovered she was genetically altered before birth and is now headed to a top-secret Army campus to explore the surprising results of the experiment. Follow Clio and the other teens as they develop fantastic super-abilities, forge new friendships, and find love as they search for answers.

At the beginning of the summer, Clio Kaid was one of a hundred teens brought to a secret Army installation. But it was no ordinary camp and they weren’t ordinary kids… Picking up where “Solid” left off, Clio and her friends realize that they aren’t ready to go home; they’re determined to stay on campus and continue their journey of self- discovery. But someone doesn’t feel the same way and will do anything to drive them away – even kill. Friendships will be tested, abilities will evolve, and more secrets will come out as the teens race to stop the killer before he sets his sights on one of them…

Clio Kaid's had one crazy summer. After learning she was one of a hundred teens who were genetically modified before birth, she and the others departed for "camp" at a classified military site. Besides discovering her own special ability, uncovering a conspiracy, and capturing a killer, she's also forged new friendships, found love, and managed to lose them both. With no answers and the end of summer closing in, Clio's terrified of going home more lost than when she arrived. Will she finally find everything she's been looking for? Find out in this exciting conclusion to the Solid trilogy.