Thank you for doing that - I'm sure your students appreciate it. One of my professors specifically told us to get an older version of the textbook used, presum

Thank you for doing that - I'm sure your students appreciate it. One of my professors specifically told us to get an older version of the textbook used, presumably to save us money. I was able to get it for ~$10 used on Amazon instead of $150 and I'm pretty sure the content was identical.