They are very popular over here in the UK. McVities are the best known brand but supermarket chains do their own brand as well. So, if you live in the States and there is a new Tesco supermarket near you, you can probably buy them there. They are either plain wholemeal or covered in milk chocolate or dark chocolate. There are reduced fat versions as well.
We British have a thing about our biscuits. ‘Cookies’ to us mean little round, nobbly biscuits, usually with chocolate chips in them.
I rue the day when McDonald's opened its first 'restaurant' in London in 1974 and chips were renamed to fries. What an abomination!