"John Preston" is an associate professor at Eastern Michigan University in the College of Technology, where he teaches microcomputer application courses at both the undergraduate and graduate levels. He has been teaching, writing, and designing computer training courses since the advent of PCs, and he has authored and co-authored over 40 books on Microsoft Word, Excel, Access, and PowerPoint. He is a series editor for the "Learn 97," "Learn 2000," and "Learn XP" books. Two books on Microsoft Access he co-authored with Robert Ferrett have been translated into Greek and Chinese. He has received