With Yan Zhou's identity as a time traveler, Qian Cangyi can freely pose these questions, even if these questions are very sensitive topics for the people of Guboer.
Such a simple question, however, stumped Hart, the great alchemist. He was clearly startled for a moment.
With that expression, Qian Cangyi realized that the downfall of Guboer was not due to this reason. Hart's expression indicated that he was aware of the content in the books and knew that it could not cause an entire civilization to disappear suddenly.
Unless there were other secrets hidden within them.
"I didn't expect you would be interested in this," Hart shook his head, "I can tell you now what the contents are, but it might be better for you to see for yourself. I can't do it right now though. I need to apply for access to the archives where they are stored, it's a rather hidden place...probably the day after tomorrow, I'll find you then."