PDF are by far most common format for publishing go material. Many books are delivered to printing houses in PDF format.
Also quite common need to creation of small PDF for download, while enabling high-quality printing from same PDF.
Currently there are two good ways to create PDF documents with freely available tools. These tools should work in all platforms.OpenOffice Writer and GOWrite 2.3
GOWrite 2.3 (or later) can export to OpenDocument text/graphics format. Recent OpenOffice versions do create small PDF with this format. This is good combination for those who want to use word processing for PDF authoring. Also this is probably fastest way to create publication.Scribus and GOWrite 2.2
GOWrite 2.2 (and later) and export to SVG format. Scribus can import this, and exported PDF is reasonably sized. This is probably best tool combination for book-writing, as full power of scribus publishing software is available. I have written beginners book (http://gowrite.net/kirja
)with these tools.