Book excerpt: Agile is an approach to software development that focuses on iterative development and incremental delivery. For business analysts, adopting an Agile approach can revolutionise working practices. It enables a clear focus on customer needs and a basis for early delivery of new or enhanced software products. Now newly revised, this new edition reflects the latest developments in the Agile methodologies and provides a comprehensive introduction to Agile methodologies and techniques, and explains how they may be applied within the business analysis context. The book also extends the application of Agile to holistic business change. Written by industry experts, this new edition is ideal for any business analysts who wish to understand or extend their understanding of Agile practices, work in an Agile environment or undertake BCS Agile certifications.