Archiver (1985)
This was a book/manual that I have never seen.
Sounds similar to the Lockpick series.
Contained Machine Language Monitors HiMON, LLMon, and LoMON.
Here are the disk contents:
DOWNLOAD the D64 HERE: archiver-v5.ZIP
The Manual is HERE: The_Archiver_Cybertech-OCR.PDF