Ring of Stones: Portal to Another World, livre audio

When Anna’s dirt bike pulled up alongside late one summer’s evening, Harry grasped the opportunity to escape the city and his troubles, but he never imagined the mysterious girl would lead him across the galaxy to another world.
Transported via the Ring of Stones to a planet reflecting a visionary Earth, the friends embark on an intricate pursuit of the truth about what really happened to their missing parents, all the while struggling to remain one step ahead of the sinister Authorities.