Highly recommended books on Virtualization
Applied Virtualization Technology - Usage models for IT professionals and Software Developers, by Sean Campbell and Michael Jeronimo
This book takes a user-centered view and describes virtualization usage models for IT professionals, software developers, and software quality assurance staff. The book helps you plan the introduction of virtualization solutions into your environment and thereby reap the benefits of this emerging technology. Read the sample chapters to determine if the book is right for you.
Sample Chapter - An Introduction to Virtualization
Sample Chapter - Virtualization Benefits for Software Development