Kingdom Keepers Adventure: The Syndrome by Ridley Pearson is an exciting addition to the Kingdom Keepers series, where a group of teens known as the Keepers continue their mission to protect Disney theme parks from the sinister Overtakers. In this thrilling installment, the Keepers face a new and mysterious threat—a dangerous syndrome that causes chaos both inside the parks and beyond. As the boundary between the digital world and reality blurs, the team must use their courage, wits, and friendship to uncover the source of this strange illness and stop it before it spreads further. Packed with action, suspense, and familiar Disney magic, this adventure challenges the Keepers in unexpected ways and pushes them to their limits.