Anyone part of a book group?

Or have you been?
What was it like?
Who and how did they choose the books…?
Did you enjoy it?
What was the format for the meetings…

I’m thinking of starting my own because there aren’t any round here where i live and i thought it would be fun… but then again it could be a disaster because i haven’t got a clue what i’m doing…so thought i’d do some research first

and…. as i luuuuuuurve all your opinions soooo much what a better place to start!!!