Based on increasing demand for the popular Radiant Basics classroom presentation, the Radiant Panel Association has developed a "home-study" version of the course. Available as a two CD-ROM set, the Radiant Basics HS features John Siegenthaler, P .E., author of Radiant Basics and Radiant Precision, a popular RP A instructor, and a featured national technical writer for several trade publications includingEngineered Systems.