Rivendell Operations Guide
From Rivendell Wiki
The Rivendell Automation System - System Operations Guide was written by Frederick F. Gleason, Jr. It covers the basis of Rivendel for users of the system. It goes through each module of Rivendell expaining its function and use in the over all system for users of the system.
You can download it from these links.
You can also check the Rivendel Download page for newer versions.