d20 Modern: Heavens and Earths
Supernatural history, rules, spells, etc is under this category.
Glossary – Glossary of strange terms.
History of Magic – The history and rules of the shadowkind.
Effects to hide the Supernatural – How did critters hide their real appearances?
Low Level Incantations – Mundanes can use magic if they know the right arcane lore and have the right components. Enough ranks on the skill to understand the right tomes and the right components and time can be used by a person to cast a spell even if he isn’t a spellcaster.
Power of Mystical Numbers – What’s with the number thirteen?
Sigil Magic – Markings with power, another one of Eerie’s mysteries…
Study of the Outer Planes
Theories about the dreamscape
This section contains a lot of information about the supernatural.