What do you think is important on a contact us page?
There are lots of ways to design contact pages. You can have forms or just lists of addresses and phone numbers. Learn what other About.com readers think are the important elements of contact us pages.
IA Library - Introduction to IA
The Information Architecture Institute offers a list of introductory resources to help you get started understanding information architecture.
Information Architecture - Wikipedia
An overview of information architecture from Wikipedia.
Information Architecture Defined
There are many schools of thought as to what information architecture actually is. This article from SitePoint explains what an IA does, from her point of view.