Time for the Stars

For a telepathic twin on an exploratory space voyage only a few years pass, yet, when he returns to Earth his brother is ready to celebrate his ninetieth birthday.

Robert Anson Heinlein was an American science fiction writer. Often called "the dean of science fiction writers", he was one of the most popular, influential, and controversial authors of the genre. He set a high standard for science and engineering plausibility and helped to raise the genre's standards of literary quality. He was one of the first writers to break into mainstream, general magazine …