Software quality assurance (SQA) is an important activity in the delivery of software systems to clients and, as such, it is a critical professional domain. SQA is ever growing in its importance due to new and complex applications getting added each day. In engineering colleges SQA has become an important topic of study. With this backdrop, there is a need for a high quality book on SQA of a type that is practically usable. This book provides the practical insight into the domain of software quality assurance. It explains not only the basic concepts but also provides a repository of artifacts that can be applied in practical work. People-related issues in SQA are also discussed in the book. Students, professors, as well as the industry professionals would appreciate the usefulness of this second revised edition. The study of concepts addressed in this book shall help students on the threshold of their entry into the software/IT industry. The concepts elaborated in the book along with various checklists and templates provided in the appendix (placed on the CD companion of the book) would be of immense use to the practitioners.