Many people notice the smell of old books. Some people study it, and even write monographs: “Material Degradomics: On the Smell of Old Books,” Matija Strlic, Jacob Thomas, Tanja Trafela, Linda Csfalvayov, Irena Kralj Cigi, Jana Kolar, and May Cassar, Analytical Chemistry, vol. 81, no. 20, October 15, 2009, pp 8617–22, DOI 10.1021/ac9016049. [AIR 16:2] […]