My colleagues and I spent several sleepless nights in grad school tracking down sign errors in our stat mech problem sets, only to find that they arose from typ

My colleagues and I spent several sleepless nights in grad school tracking down sign errors in our stat mech problem sets, only to find that they arose from typos in the textbook. I'm very glad you are safely on the other side of the internet, because your suggestion gives me the overwhelming urge to impale you with a mechanical pencil. ;)