Like fresh rain or comfort food, sniffing a worn favorite novel is a calming experience. But why do old books smell so great?
The ink and chemicals used in the production of a book reacts with heat, moisture and light, causing the organic materials to break down. This is especially true for books with high acidity, like those made during the 19th and 20th centuries.
“Why Do Old Books Smell So Good?” via HuffPo