You can also access these resources online:
- Adobe Systems PDFL SDK HTML Help, Adobe Systems' online help tool for the Adobe PDF Library.
- The PDF Reference, ISO 32000-1:2008, Document Management-Portable Document Format-Part 1: PDF 1.7, a comprehensive guide for developers to work with the PDF format. This document, published in 2008, is over 750 pages long and will likely answer any questions you have about creating software to work with PDF files.
- Adobe Systems ReadMe document for Adobe PDF Library, Readme_for_PDFL_SDK.