Thomas R. Block's small but useful book "The Project Office" is also a good introduction if you want a general definition and comparison to other organizations. Here are the specs: "The Project Office" by Thomas R. Block and J. Davidson Frame Crisp Pulications 1998 ISBN: 1-56052-443-X
You can buy it for about $13 US from the PMI Bookstore: www.pmibookstore.org Saving Changes...
"If they have moving sidewalks in the future, when you get on them, I think you should have to assume sort of a walking shape so as not to frighten the dogs."