image of a book of ruled or lined paper background
Here is a free image of a book of ruled or lined paper. Actually a generated image, I think it looks pretty good.
![Avatar](https://cdn.statically.io/img/i.pinimg.com/140x140_RS/4e/fb/50/4efb50c05dedfadc9a79bd967d836e2a.jpg)
Zsolt Michelfeit