This document provides information about the audiobook "Erased", a sequel to the novel "Altered". It summarizes that the audiobook follows Anna as she hides from the Branch with Sam, Cas, and Nick, learning survival skills. Memories from her old life begin resurfacing and a figure from her childhood reappears, testing her loyalties. Ultimately, the answers hinge on why her memories were erased in the first place. The document includes a link to listen to or download the audiobook.