'Praise for Clifford D. Simak “One of the best-loved authors in SF.” —Publishers Weekly on Highway of Eternity   “To read science fiction is to read Simak. The reader who does not like Simak stories does not like science-fiction at all.” —Robert A. Heinlein, Hugo Award–winning author of Stranger in a Strange Land and Starship Troopers   “Just about any work by Simak deserves to be considered a classic.” —SFBook.com  '