Publisher's Synopsis
Join Tunnu and Cooper on an epic adventure as they discover a mysterious box containing an ancient treasure map pointing towards the stars! With their resourcefulness and imagination, they build a spaceship to explore the cosmos, experiencing weightlessness and encountering alien obstacles.
Their ultimate goal is a distant planet that holds the key to the treasure they seek. As they journey through the unknown, they realize that the real jewel is the bond of their friendship and the wonders of the universe they discover. Don't miss this thrilling tale of imagination, curiosity, and adventure!
