The Ruby Key

Bound by a fragile truce between Humans and Nightlings, fourteen-year-old Genna and her younger brother Dan venture into the night-shrouded forest, only to discover a Nightling slave who knows a shocking secret. Their uncle is plotting to obtain immortality by trading away human lives, and the siblings must race to stop him. To confront the threat, Genna and Dan strike a risky pact with the Nightling lord, risking everything in a bid to protect their world.