In a sky of floating islands and ancient storms, twelve-year-old Orin Skyrunner discovers Ignivar, the last dragon of the Hollow Sky, wounded and hunted by the ruthless Sky Guild. Together, they must journey through ancient tunnels, perilous floating ruins, and a storm-torn realm above the world to stop the Guild and protect the dragon’s magic. With courage, friendship, and the last flame of dragon fire, Orin and Ignivar face epic battles, uncover forgotten truths, and awaken the Hollow Sky itself. A thrilling, magical adventure full of wonder, suspense, and heart—perfect for young readers and anyone who believes in the power of courage.