The book tells the story of two civilizations - the Ekos and the Predas, who live on the distant planet Tryton. The Ekos are protectors of the last tree left on the devastated planet and have always been defenders of natural life. The Predas want to exploit the last gold mine under the tree and have always valued wealth of society by exploiting and destroying natural wealth. The war is waged peacefully and wins whoever makes the best arguments for the mighty Grancomp the Great God, a supercomputer. It is a war of values, not armed. Two observers from another planet are brought in to mediate the conflict and process data entry with the arguments in Grancomp. And this time, a child and an Earth gold prospector are taken to Tryton. The two endangered civilizations were extremely advanced. Grancomp judges the values presented and gives his final decision, which everyone respects. It is an educational adventure in defense of the environment. It contains a deep message of love and warning to protect the ecology of our earth. It promotes the child s development in the identification, comparison and discovery of values and paradigms, guiding them in determining important life values.