Raamo, at thirteen, had rarely doubted the wisdom of the Ol-zhaan, the unquestioned rulers of the Green-Sky planet. Yet, after he had been chosen to become an Ol-zhaan, he made surprising discoveries and was exposed to dangers different form any he had envisioned. The world of Green-Sky was not what he and the Kindar people had thought. This science fiction fantasy was first published in 1975 and is the first book of the "Green-Sky Trilogy," It was a Junior Library Guild selection that became the basis for the video game, "Below The Root,"