Don't say it, these books are quite useful.
It's also the highest cost-performance category.
After all, transporting any material is "weighed by the pound," and it's extremely expensive.
But books are relatively light and thin, just sheets of paper. Besides directly transporting air from the Otherworld, these books have the highest transport cost-performance!
"Hehehe, Adventure Team...Adventure Team... Material explosion again, enough for us to digest for a while!"
"Good stuff!"
"I told you so."
"This AFK material is so fun."
"Hahaha, the AFK Adventure Team provided exploded materials. I suggest Nine Chapters become more sensible later on, gather big data, assess in advance, and categorize based on rarity into white, green, purple... etc. materials."
Nine Chapters Jiucai Rong: "Help, help please."
Street Lamp Jiucai Rong: "Hahaha, ever since the villa's supercomputer Nine Chapters came, my management work became much simpler!"
