Специально для flaass и всех, кому интересно: OSC ответил пять минут назад. Цитирую:
"I've never used i ching for anything, or even studied it. What you just told me is more than I knew before. So I did not use i ching in any way in coming up with Ender's Game. Nor was it involved with Xenocide, even though I did look at Taoism to some small degree while writing that book."
Orson Scott Card
For Your Amusement Only
Do Not Try This At Home
Копия, разумеется, в ru_iching.