A fast-paced futuristic thriller tells the story of seventeen-year-old Cass and her fight to protect her younger brother from an unimaginably terrifying enemy.
The Deadliest Enemy feels no fear.
When the Fearless invaded, they injected everyone in their path with the same serum that stripped them of humanity. Life became a waking nightmare. Cass has the invasion seared in her memory. Seven years later, she and her brother, Jori, are living on Hope Island in a community of survivors. No one can enter, and no one can leave. It's the only way to stay safe. But when Hope Island's security is breeched and Jori is taken by the Fearless, Cass will risk everything to get him back.