Writer with file creation and offset printing knowledge

I am looking for an experienced, knowledgable professional that can provide original articles on preparing digital files for color offset lithography. These article should be written in American English and easy for nonprofessionals to understand, they must also be instructive. For the first article the reader should be able to understand how to convert Microsoft Publisher, Word, Excel, Home Publishing, Powerpoint, PhotoDraw, FrameMaker, Acrobat, Corel DRAW, PHOTO-PAINT, WordPerfect, Lotus, Ventura, Bryce, Quattro Pro, Macromedia Freehand, Fireworks, Deneba Canvas file to high resolution PDF. They should be advised of software to do this. (preferably free) Other articles to follow such as RGB to CMYK coversion, color space, spot colors, etc. Your suggestions would be appreicated. The goal is to build a content key word rich library of articles concerning color printing for do it yourself designers. Articles should be 500-800 words. Some could be longer it the subject requires it. All articles must be well researched and original. They will be checked for accurace and plagerisim. Price quoted should be per article with 5 articles to start. Samples of work must be provided. I will not respond to boilerplate response. All responses should be presented in a way to illustrate your writing talent. This could be an ongoing project for the right person.