Paul Krugman's book is called End This Depression Now! (exclamation point included). If that sounds like a self-help book -- the sequel to Listening to Prozac, maybe, or something by Dr. Wayne Dyer -- that's not altogether inappropriate in this age of collective near-despair.
If you have any familiarity with the world, in short, you know that involuntary unemployment is very real. And it's currently a very big deal. How bad is the problem of involuntary unemployment, and how much worse has it become?