The current high price of books was mainly due to many factors, including: 1. Deflation: With the continuous development of the economy, the purchasing power of the currency will decrease, resulting in the rise of prices, which will reduce the number of things that can be bought with the same amount of currency. Books as commodities are no exception. 2. The relationship between supply and demand: The price of a book is affected by the relationship between supply and demand. When the number of books on the market is reduced, the price of books will rise due to the imbalance between supply and demand. 3. copyright protection: As the awareness of copyright protection increased, the price of works also increased. 4. Market factors: Market factors may also cause the price of books to change. For example, something that caused the sales of the book to increase and the price of the book to rise. The high price of books was the result of a combination of factors. However, we should also realize that reading is a beneficial consumer behavior, and buying books is also a wise investment.