Planet of Light

Ron Barron never expected to see Clonar again. Clonar, the boy who alone had survived the crash of an interstellar saucer-ship near Ron's home, had been rescued by his people and returned to Rorla, a planet in the Great Galaxy of Andromeda, almost a million light-years from Earth. When he left, he assured Ron that communication between Rorla and Earth would be impossible, Yet only a year later, Ron listened with growing excitement to Clonar's voice coming over the interstellar communication system, inviting Ron and his family to journey to Rorla to attend a conference of the Galactic Federation...