A friend shared the plot of a sci-fi book that he read years ago. I'd also like to read it, but need to know the title or author. The plot involves an alien species that arrives on a war torn Earth, turns on the long dormant "empathy" gene in humans and steps back to watch the result. Generations follow that live together in peace on a near perfect Earth. The aliens speak to the humans through a select few chosen people. In time, the aliens send a message to the humans that there will be yet another change. Subsequently the next generation of children are born with incresed intellegence and are able to spiritually leave the body. After several generations, this new human leaves the planet. At the close of the book, the chosen human asks to "see" the alien and is told "No". But, the man sees the creature as he leaves, scaly tail and demonic horns, but not his face. Has anyone else read this book?