Worlds Collide: Heroes of the Nine Realms

A mysterious rift in the Hidden World rips Tom Kullersen and his dragon, Thunder, out of their own time and drops them directly into the skies of Metropolis. In a world protected by gods and aliens, a boy and his Nightlight must prove they have the heart of a hero. As the Justice League investigates this strange anomaly, Tom must navigate the towering skyscrapers of a high-tech city, defend his dragon from frightened authorities, and earn the trust of Earth's greatest protectors to find a way back home