Timescape Books

Timescape Books was a science fiction line from Pocket Books and its parent Simon & Schuster operating from 1981 to 1985. Founded by David G. Hartwell, it published both original hardcover and reprinted mass market paperback novels. Many of the titles were nominees or winners of Hugo, Nebula, and other major SF awards. It published more than 30 original hardcover works and over 100 paperback titles. https://en.wikipedia.org/wiki/Timescape_Books