Fact Snacks!

the-smell-of-an-old-book-is-the-smell-of-its

The smell of an old book is the smell of its death. 

The scent is caused by paper, ink and adhesives breaking down. As a book’s organic compounds degrade, they release chemicals into the air that we interpret as a combination of grass, vanilla, and almond. 

Books also hang on to odors that tell the story of their history– like smoke, flowers pressed between pages, or water damage. 

(SourceSource 2Source 3)