All of these stories were already ancient when this book was published 4 decades ago. So in that sense, it hasn’t aged at all. But it is also not true that it

All of these stories were already ancient when this book was published 4 decades ago. So in that sense, it hasn’t aged at all. But it is also not true that it is only based on that. It also builds on then-contemporary research about schizophrenia, hearing voices, and other things.