The library should have a tank of blob fish.
While some see blobfish as the "world's ugliest animals," they're actually just suited for living 2,000-4,000 feet under the ocean.
So when you bring a blobfish up to our level of pressure, this...
And that's just sad.
No so-called blobfish will be harmed in this library. :)
See "In Defense of the Blobfish: Why the "World's Ugliest Animal" Isn't as Ugly as You Think It Is" at Smithsonian.com.