Question

why were there no books for the common people before the invension of printing​

Answer 1

Answer:

because after writing the book it was to print and make its front page then it was published

Answer 2

Answer:

might be because before printing they had to make book by hand which is a lot of work and it might cause the prices to be high, therefore it will be too expensive for common people,

Explanation:

you  can also add that because they were made by hand and it took time the books were a few so that also made the prices higher.

not sure tho , if it makes sense to u then use it :)