From NASA's Glenn Technical Library, this handy guide for engineers and scientists explains the basics of writing technical reports that are accurate and easy to read. The online guide contains nine chapters: "Stages of Report Preparation," "Report Style," "Report Introduction," "Experiment and Analysis Descriptions," "Results and Discussions," "Concluding and Supporting Sections," "Review of Reports," "References," and "Author's Checklist and Report Writing Aids." This clear and helpful guide is intended for engineers and researchers who find technical report writing a difficult chore.