37signals new book REWORK was released a little more than a week ago. It is currently #3 on Amazon. In the top spot is Karl Rove’s new book Courage and Consequence, which he has been on TV for what seems like twenty hours a day promoting. In a wonderful display of humor the folks at 37signals and Coudal Partners wondered how they could complete with Rove and all his powerful friends booking him on every media outlet. Well of course they created an attack ad.