Many academic libraries and networks (like ResearchGate or Academia.edu) host full PDF versions of the 1st or 2nd editions for educational use.
These platforms often have the full text available for online viewing or download with a subscription.
This specific file naming (part1, part2, etc.) usually suggests a large PDF or software package that was split into smaller pieces for easier uploading to file-sharing sites like MediaFire or MEGA. However, many of those older links tend to expire or get removed.
If you are looking for the book by , here are the best ways to find it:
Check your local or university library’s digital catalog; they often provide free access to the ebook via platforms like VitalSource or ProQuest.