It goes both ways too—just thinking about K&R C is enough to trigger the memory of the smell of the copy of K&R that I borrowed from one of my high school teach

It goes both ways too—just thinking about K&R C is enough to trigger the memory of the smell of the copy of K&R that I borrowed from one of my high school teachers which was imprinted with the smell of coffee and cigarettes (including a coffee ring on the front cover).