Secrets of the HighlandsPaperback, 7 November 2023

This action-packed sequel in the Beacon Hill series picks up with Jack and his friends injured, hiding, and on the run from the Merikh assassins. They're racing against the evil supernatural society to find ancient artifacts scattered between international cities and secret realms. The clock is ticking, but are all of Jack's friends truly on his side? As friendships are tested to the breaking point, Jack finds that even good friends may have a dark side.