I wish the numbers were that good. It only paid that much over the last ~4 years or so. The first 3 years it sold precisely 7 copies, all of which were to stu

I wish the numbers were that good. It only paid that much over the last ~4 years or so. The first 3 years it sold precisely 7 copies, all of which were to students of mine (and I was specifically not selling to them, they asked me about it, as I don't like the conflict of interest there).