From the Back of the Book:
Your players are in town and their needs are legion!
Creating NPCs on the fly can slow down the tempo of your game. What you need are NPCs and you need them now! This book alleviates all those worries! A city peopled with over 100 fighter, expert and commoner non-player characters, City Sourcebook I: NPCs is the inexpensive tool you are going to use over and over again. Each NPC comes complete with all the information your going to need, including name and description!
Venture to Chalysandrum
This book comes complete with the City of Sorrow adventure! Where the Horned god once reigned evil now luks. Designed for 5-6 characters for levels 1-10. City of Sorrow can be scaled for most level ranges.