Is there a term used to describe when something, such as a college class or book, is something that might only interest a tiny group of people?
"Nerdy" seems to be the nearest word I can find, but it has too much of a negative connotation. Is there something similar, without the negativity?
Sample sentences:
English 408: Existential Literature is a class that is too _____, so few students signed up.
Only a few students joined the Klingon language club, because it is too ____.