Answer:
literally: No, they burn their own books, and the physical books have no value to them.
Figuratively: They do save the contents of the books, but it is the knowledge that they are concerned with.
Explanation:
Are the men literally trying to save books? No, they burn their own books, and the physical books have no value to them.
Are the men figuratively trying to save books? They do save the contents of the books, but it is the knowledge that they are concerned with.
