Alfred Bester. Extinction phenomenon (№ 415781)

... they go to the time they invented. Nathan Riley has his own idea of what early twentieth century America looked like. This picture is flawed and full of anachronisms because he is not a scientist. But for him, it's real. He can live there. It's the same with the others.
Carpenter bulged his eyes.
- This concept is almost impossible to grasp. These people have discovered how to turn a dream into a reality. They know how to get into the world of a dream come true. They can live there. God, this is your American Dream, Carpenter. It's a miracle, immortality, an almost divine act of creation... This must be mastered. This needs to be explored. This must be said to the whole world.