Jack Egan, World Edge (1962)
“ He looked at Dana for the first time, and in that instant of full recognition, she began to dissolve."Harvey," she pleaded, "Wake up. You've got to face Reality before it's too late. Please ..." she sobbed into nonexistence.Harvey wheeled toward the ship and fled up the ramp. "No! No! This is Reality!" he shouted. He stared up at the insane island-moons swirling in the sky; the soft, sourceless aqua of the air; the incredible bulk of the Castle on the Edge of Infinity, and he felt on the brink of Hell. Something was going to happen. Harvey's breathing was loud in the thundering silence. ”
