Help with book puzzle!

[помят малость]

I

[Laceya]

[/spoiler] Look at the symbols and the lines that are created with the books. They should be assigned to each side.

[Victorita9]

I did that and nothing happened. Do you have do sort by the color or the thickness of the books.

[Arseny]

After you sorted the book by symbol, look for the larger patterns on them.