This book covers the basics of installing and using a CRM system, explaining how to implement vtiger's powerful features for your business, adding extensions, plug-ins, and theming. It provides a step-by-step guide to installing, configuring, and customizing vtiger even at the code level, with practical advice and directions. This is book is written for IT professionals and business managers who have power-user computer skills and are looking to improve sales management processes and/or customer service processes.