You Gotta Sniff 'emAll the greatest books have a distinctive smell.
Maybe it's the smell of your favorite lotion. Maybe it's just the smell of old paper. Or, perhaps it's the smell of the chocolate smudge on the bottom corner of the page from when you were sad and needed a couple pick-me-ups. Whatever it is, books always have a distinctive smell.
You can tell a well-used home library by the way each book smells. If they smell like new paper, well, then obviously that book hasn't been read much yet. But the ones that smell like yellowing paper and coffee and chocolate and just a hint of mint...well, those are the ones that are the good ones. The Harry Potters and the Chronicles of Narnias and the Romeo and Juliets and the old books of poetry your great great grandma gave you that you've loved to death. Those are the most fantastic.
Not just because they're awesome in and of themselves.
It's the memories that we associate with them that makes them a step higher than every other book in the world.