One look at Excel 2007, with its new Office Button, Quick Access toolbar, and Ribbon, and you realize you're not in Kansas anymore. Well, have no fear-- Excel 2007 for Dummies is here If you've never worked with a computer spreadsheet, or if you've had some experience with earlier versions of Excel but need help transitioning, here you'll find everything you need to create, edit, format, and print your own worksheets (without sacrificing...