"Strange Burgers Invade the Fast Food Universe," would be worth reading if only for the description of the "Dark Vador" and one consumer's critique of it. http://www.allbusiness.com/print/16773368-1-9a0bs.html
On a more serious note, next comes an article that explains a lot about franchising, from a Web site I frequently look at for new ideas. http://www.allbusiness.com/wrong-way-franchising-success/16750086-1.html