If you could read Japanese, you would see the same thing from the pages.
It's the same book called the "Master Book" that detailed very early enemy designs that took more of a lovecraftian style
All source gaming is also a refutable translator. They do not make anything up, merely translate...
Actually it is. It was translated from the most recent Legend of Zelda art book, that showed off lost designs, development, and what's next. Source Gaming merely translated it.