Ogres & Underworlds is 64 pages (62 pages, not including the front pages and contents list).
The contents list has the page numbers linked, which is good. Gets you to the page faster.
The system (page 41-47), informs you on how to resolve an action:
1: Determine Difficulty. 2: Determine Skill. 3: Determine Ability (6 of them).
4: Determine Action Level. 5: Modify Action Level. 6: Determine the Difficulty level.
7: Determine the Action Number. 8: Determine Target Number. 9: Determine success.
The solo adventure on pages 4-8, does actually help you become familiar with the system.
The monster section (pages 50-57), does not give any monster examples (a pity).
The only slight example, is in the solo adventure (giant rat).
The monster section gives you the 'framework' to make your own.
There is a small character sheet on the last page.
I've submitted a character sheet at the New Realms Publishing forum: (jsplace.freeforms.net), in the Ogres & Underworlds section.
Magic is done through the elements (fire, air, water, earth), enchantment, essence, thought, etc.
The system is certainly different to other RPGs.
Try it; see what you think.