This is a Bantam paper back edition that was written by Erich Von Daniken, author of, "Chariots of the Gods". It has 177 pages, and all are intact, with no marks or writing. The cover shows edge wear, and the pages have yellowed slightly over time. Listed as non fiction, and interesting read for those interested in possible life beyond our planet, and fans of science fiction alike. Lots of pictures, and illustrations.