Chapter 91: Papermaking Ice-Making Method

The Black Tiger clamped his hand down on the reins, frowning as he stared ahead.Well, look at that!Those roads behind the people were obviously wider and smoother, with compacted yellow earth as a bas... tofu, water wheels, knows how to refine steel, and is familiar with gypsum, coal, and saltpeter... You don't expect me to believe these are all things learned from books, do you I... honestly don't k...