Barnes & Noble is publishing these "How-to" charts that explain how to do various things. You can download the PDF version of the chart online, usually for $2.95. Each week they give away a free PDF copy of a different topic. Just go to the webpage and click on the link on the right side. On the next page cick the link on the right side again where it says "This Weeks Free PDF":
For this week it is Word 2007: Keyboard Shortcuts
You never know when one of these will come in handy.

