These files do not meet the formatting or quality requirements of Project Gutenberg, per https://upload.pglaf.org Additional effort is required to create a suitable eBook with valid HTML, fully corrected and proofread text (spell check, formatting, etc.), and layout (dehyphenation, removal of page headers/footers, relocation of any footnotes, etc.). Submission would start with a copyright clearance request at https://copy.pglaf.org The scans source utilized was: https://archive.org/details/teachingszoroast00kapauoft/mode/2up