AMHERST, Mass. - University of Massachusetts professor Bill Vining has co-authored a best-seller, but you won’t find it on any bookshelf. Vining, a chemistry professor, played a major role in creating an interactive CD-ROM for chemistry students. The disc, Saunders Interactive General Chemistry, has sold 17,000 copies in less than a year, making it the best-selling college-level chemistry software on the market. The CD is co-authored by Jack Kotz and produced by Archipelago Productions.