Lu Chen did not directly state his opinion. Instead, he asked:
"How is this book?"
The librarian thought for a moment. Out of professional integrity, he still told Lu Chen the truth.
"How should I put it..."
"This book is somewhat useful for commoner Soul Masters who have not received systematic instruction."
"It compiles some basic knowledge about Martial Souls, Soul Rings, and Soul Beasts."
"At the very least, after reading it, one can gain a general understanding of Soul Master cultivation."
The old man paused, his voice dropping a little lower.
"However, for those with even slightly better talent, most of the knowledge in it is not very applicable."
"Some of its claims are too absolute."
"And quite a few of its conclusions are simply wrong."
Lu Chen was not surprised by the librarian's assessment.
The librarian of the Spirit Hall Library had long been exposed to all kinds of materials, so he naturally possessed basic judgment.
Yu Xiaogang's theories might be able to fool those without access to higher-level knowledge, but they would find it difficult to earn the approval of Spirit Hall's true researchers.
The materials collected here were far more extensive than anything Yu Xiaogang could access.
Anyone who compared them carefully would discover many problems in Ten Core Competencies of Martial Soul.
Lu Chen nodded lightly.
"I understand."
He did not continue flipping through it, nor did he add the book to the materials he planned to read.
Lu Chen bent down and placed Ten Core Competencies of Martial Soul back on the shelf.
However, he did not return it to its original, more conspicuous spot. Instead, he casually shoved it lower down.
Since most of the book's contents were unsuitable for truly talented Soul Masters, there was no need to waste time on it.