The book is full of negative messages that are disguised as positive ones.
I know its a weird thing to say about a book, but its very true. This book is like a how-to for bad judgement. The hero, Mirri, just having learned to read that week, decides that she now has the keys to all problem solving. She doesn't question the idea that maybe just because she has read one book she doesn't have all the answers. The best example; She doesn't understand things like demand, and supply, but she learns that this weird rock that they get from the mountain is expensive. So she now "knows" that the traders are cheating her village, and can somehow stop them. Ok? How about the cost of hauling this rock through a mountain? She has no idea what that costs the traders. She has no idea if anyone out in the wider world even wants this rock at a given time. Maybe no one even is building a palace in the lowlands. So how exactly would she be able to force the traders to change their prices? She can't take the rocks to the cities herself. Maybe the traders simple can't afford to give a better price even if the price of the rock is theoretically high. UGH. There is nothing worse then an idiot with a teeny bit of knowledge. Thats Miri in a nutshell.
Worse yet, she is exactly the same with rules. Miri thinks that she is the best qualified to know if a given rule is just or not. Im sorry? Maybe I think drugs should be legal. Does that mean I can act on it? You don't just break a rule because you don't like it. Only a sociopath does that. Maybe thats a very good point actually. Miri is as shallow and as egotistical a person as I could imagine. I doubt she will grow out of it. Do not give this book to a kid. They will not learn any good lessons, and plenty of bad ones.