Doing HCD - Introduction and overview

User Centered Design Process

IDEO Human Centered Design Field Guide

This link takes you to the IDEO page that offers a field guide for HCD. It is written in an understandable language and provides and overview of HCD with examples from projects using various methods (with templates for many) to explain and show the benefits for HCD. You need to create a log in to download the .pdf which is free but this is a condition of its creative commons license.