ESTON’s Technical/Commercial Authorship (Ref: EDL2D) and Software Authorship (Ref: EDL3/2) Training course material is accredited by the Institute of Scientific and Technical Communicators (ISTC). The EDL2D course fully covers the former C&G now ISTC syllabus for Technical Writing & Communicating and Technical Authorship and has also been designated a “follow-on” course for those who have already passed Part 1 of the ISTC qualification. A discount is offered to ISTC members.