A sensational thriller about hyper-evolved dinosaurs, battling for supremacy on a small Pacific island - with fourteen-year-old Adam and a few friends struggling to survive in their midst. Who should Adam trust, and where can he turn for help when his dad disappears and every moment feels like it could be his last?The second title in the brand-new, fast-paced, thrilling Z REX trilogy that takes bestselling Astrosaurs author, Steve Cole, to an older audience!