Del Rey, New York, 1981, 8th pr.  ISBN 0-345-30054-8.  MMPB, 188 pages.  Light edge and cover wear, two sticker ghosts on front wrap; binding tight.  Interior clean and unmarked; gently read if at all.  ‘Nothing quite prepared telepath Larry Greenberg for mind-to-mind contact with an alien.  In the interest of science, Larry tapped the mind of Kzanol … and that was his first mistake!  Kzanol was a thrint from a distant galaxy.  He had been trapped on Earth in a time-stasis field for two billion years.  Now he was on the loose, and Larry knew everything he was thinking.  Thrints lived to plunder and enslave lesser planets – and the planet Kzanol had in mind was Earth!’ (from rear wrap)