This is dynamite!! The latest, Version 4.0 Super Science Fair Edition From the archives of Scientific American Magazine, more than 72 years of experiments and projects from all The Amateur Astronomer, The Amateur Telescope Maker, and The Amateur Scientist columns from the beginning in 1928 thru 2001. Every article is complete with all photos, sketches, etc. More than 1,000 projects in every major field of science. These are actual construction articles rated by difficulty, cost, target age, and safety. Fully searchable text, updated and corrected. Articles from such well known people as Albert Ingalls and C.L. Strong, Jearl Walker, Shawn Carlson, and others. Considered "The science deal of the century" and the "Ultimate Resource" for Hands-On Science, this is the most complete resource ever assembled for science hobbyists, home schoolers, educators, science fair participants, researchers, schools, colleges, clubs, organizations, etc. Covers the following areas of science: Astronomy, Archeology, Biology, Chemistry, Earth Science, Mathematics and Physics. Includes extensive Technical Notes and Tools & Techniques and tons of helpful science secrets that have never appeared in Scientific American. This comprehensive package also includes over 2,000 pages of helpful Technical Notes that never appeared in the magazine covering topics from choosing binoculars for astronomy to monitoring earthquakes, as well as Dr Shawn's "A Guide to Science Fair Projects". This is just super. Works with Windows, Mac OS, Unix & Linux. Requires 64 MB RAM minimum. Runs with any browser. However, we heard from one of our customers that it does not run on the later versions of Mac OS