funkymusic Messages: 39 Registered: October 2017 Location: NC
Baron
My go-to answer whenever someone asks where they can get something "affordable" is Amazon. I would definitely check out there! If you have any local used book shops around you, they might also have something there for you. You could also opt for the non-book method and just print out free material you find on the internet, although I'm not sure if that would be more price-efficient in the long run or not. How many students do you have?