I wish LEGO made the spines of their instruction booklets more recognisable.

I am in the proces of filling my new Kallax. I have a couple of drawers I am going to fill with my leftover bricks. And I was thinking of storing my booklets in one (or two) of the compartments. I wish LEGO made the spines of their instruction booklets more recognisable. Only (some) of the booklets of art sets are easy to recognise. I understand most of the time booklets are to thin to make it work, but even if a set has seven thin booklets or those which are thick enough the spine is just...