[Eddy_Viscosity2]

> I kind of use the effort put into the cover as a way to gauge how much the author and publisher themselves think the work is worth

If only there were some sort of short and catchy idiom that encapsulates some wisdom about the potential folly of judging the interior contents of a book just from looking at the exterior coverings.

[mathgeek]

AI generated book covers are also a thing at this point, which reinforces that age old idiom. Even legitimate writers will still find value in generating their covers.