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In my opinion, it's quite simple – just display the image. For example, when I play, I only go to shrines if I need to learn a spell, or if it's easier to traverse the landscape, or to check what spells they offer. Therefore, displaying the image is FAST and INFORMATIVE for me, which is exactly what I need. I already know whether there's a book or not, because I go there consciously. Thinking about which spell I need, which shrine has what, what I already have, or whether there's a book – all of this is done on the fly.
+ Just an image. All the other informative clutter is unnecessary.