Yeah I barely even looked at mine. I had to buy it in order to get access to the online site for assignments but otherwise I just used the lecture notes.
my SO just asked how induction stoves worked, and I went and whipped out that sucker, looked up induction. It was kind of fun to go there instead of the internet!
I'm cursed to have an education in radio electronics and to have no one ever ask me anything about how some radio technology (like induction stoves) works