کلیفورد سیماک

Two present-day investigators race across time to escape malevolent aliens from the future and their terrible “gift” of immortality in this novel by a Nebula Award–winning author. What is the price of eternal life? Secret agent Jay Corcoran is about to learn the answer when his investigation into an inexplicable …

Cosmic Engineers is a science fiction novel by author Clifford D. Simak. It was published in 1950 by Gnome Press in an edition of 6,000 copies, of which 1,000 were bound in paperback for an armed forces edition. The novel was originally serialized in the magazine Astounding in 1939. Reviewer Groff Conklin found the …