Ideas for The Underworld & Wilderness Adventures

As I've hinted in my previous post, I'm going to write The Underworld & Wilderness Adventures section before Monsters & Treasure. I've made this decision due to the fact that I want to have a clear idea of the rules to handle corruption before starting work on Artifacts and Magic Items. So far, this is want I intend to include in this section:

• The Darkened Path: Rules to handle corruption due to powerful magic, artifacts and insane choices.
• The Eye of the Dark Lord: How Wizards may catch the eye of the Dark Powers when using magic.
• Roleplaying in Tolkien: Ideas and suggestions (not guidelines) for Middle-earth campaigns.
• Languages of Middle-earth: A little Sindarin and Quenya dictionary.
• Suggested Reading: Sort of an Appendix N for Middle-earth campaigns.
• The Shadows Over Fornost: An example adventure for low level characters (it may be published separately, depending on the final page count).

If you think that I should change/add something, please let me know: suggestions are always appreciated!