David Beskeen David W. Beskeen has authored or co-authored over 65 successful computer books since 1992, including more than 40 educational titles for Course Technology and Cengage. He has guided readers in mastering PowerPoint®, Word, Excel, Internet Explorer, Oulook, Windows®, LiveMotion and other leading proprietary software packages. An expert in applied technology, Beskeen has extensive teaching and consulting experience in today's computer technology. Read More Read Less