Steve Johnson has authored or co-authored more than 90 titles on a variety of computer software. Steve has written on Windows, PowerPoint, Word, Excel, Outlook, Access, Expression Web, Photoshop, Flash, Dreamweaver, InDesign, Illustrator, and Mac OS X. In 1991, after working for Apple Computer and Microsoft, Steve founded Perspection, Inc., which writes and produces software training in print and Web editions.