The Goblin Reservation Author:Clifford D. Simak DAW Books (c) 1968 — Publication date May 1982 — In those days, interstellar tele-transmission had been perfected. And at the same period, time travel had been mastered. All creatures, real and legendary, were now free to roam the galaxy. — Professor Peter Maxwell left Earth on his own special mission, but some sort of cosmic error landed him on an... more » unknown crystal planet, which turned out to be a storehouse of secret knowledge. When Maxwell returned to Earth filled with the necessity of alerting everyone to this treasure planet, he found to his astonishment that nobody would listen. For it seemed that he himself had returned from space a month before with no such story - and had since then been accidentally killed. No one any longer believed that the original Peter Maxwell really existed.« less