IEP Guidebook : US Department of Education
The Department of Education has a very parent-friendly resource, everything you would want to know about the IEP process, and I recommend you check this out: It's easy to navigate and written from a lay-person perspective ...
Example: The table of contents highlights the following areas:
A Closer Look at the IEP:
Contents of the IEP
Additional State and School-System Content
The IEP Team Members
Writing the IEP
Deciding Placement
After the IEP Is Written
Implementing the IEP
Reviewing and Revising the IEP
What If Parents Don’t Agree With the IEP?
Summary