A professionally formatted in-class manual and reference text. Accompanies the LSS Yellow Belt Training Materials. Used as both an in-class participants training guide and a reference tool for both beginner and seasoned Yellow Belts. The OSSS Course Manual provides a professional format consisting of the LSS Yellow Belt Training Materials slide content and in-depth topic explanation. The OSSS Yellow Belt Manual is being used by tens of thousands of Yellow Belt candidates across the world in both universities and industry.