This is a great book from John Walkenbach, also known as “Mr. Spreadsheet”, that will teach you some tricks and will give you great tips on how to do things in Excel 2010. With John Walkenbach's Favorite Excel 2010 Tips and Tricks book you'll get a jump start on mastering the extensive changes to the 2010 version of Excel. This is in my opinion ones of the top books that you should have if you want to master Excel, specially, the 2010 version.