EYES OF THE FOREST by: April Henry

Seventeen-year-old Bridget Shepherd is more than a fan—she’s the superfan and continuity expert for fantasy author R. M. Haldon, the mind behind the beloved Swords and Shadows series. When Haldon vanishes under mysterious circumstances while racing to finish his final book, Bridget is the only one who believes he's in grave danger. Despite skeptical authorities and strained relationships, she races against time to decode his cryptic clues and save him.