old book smell .
Did you know?
"Lignin, the stuff that prevents ail trees from adopting the
weeping habit, is a polymor mado up of units that are closely
related vanillin. When made into paper and stored for years
it breaks down and smells good. Which how divine providence
has arranged for secondhand bookstores to smell like good
quality vanilla absolute, subliminally stoking a hunger for
knowledge in ali of us.
— Perfumes: The Guide