Invaders of Earth Edited by Groff Conklin Very good condition paperback, solid, pliable, only some spot stains on back, and a couple on front. First Printing September 1962 of this Tempo Books paperback. Groff Conklin was editor of many of the classic anthologies in SciFi that influenced and set trends for the genre in the 50's and into the 60's, and this is one of those anthologies of classsic SciFi. Tempo T6 4706 designation on book. Lot ID: ioe-20130605. Who Am I: My name is Ronald D. Edge. I live and work in Bloomington, IN, United States. I am a member of the American Philatelic Society, # 204787. I collect antique stamps, comics, and books. I am a retired computing technology and support IT director and database programming professional in real life. Having retired in Spring of 2011, I am enjoying devoting more time to stamps and other hobbies and interests.