Recs if you like Color: A Natural History of the Palette...

microhistory: the intensive historical investigation of a well defined smaller unit of research (such as an event, community, individual or a settlement); it aspires to "ask large questions in small places"

Let's learn a little bit about a lot. Nonfiction in the niche, unique, or not-commonly-discussed topics.

Books observing how trade and multicultural interactions have shaped the past and present