A new refresh of the Commerce Server 2002 and Commerce Server 2002 FP1 Documentation has just been made available (this is version 5 of the CS2002 documentation).  You can download these refreshes from:

• Commerce Server 2002 - Enterprise, Developer, and Standard Edition Documentation (English only at this time)
• Commerce Server 2002 FP1 - Installation Guide, Product Help File, BizDesk Help File (see the links to the right under "Related Resources")