Now in its third edition, this classic guide to software requirements engineering has been fully updated with new topics, examples, and guidance. Two leaders in the requirements community have teamed up to deliver a contemporary set of practices covering the full range of requirements development and management activities on software projects. It describes practical, effective, field-tested techniques for managing the requirements engineering process from end to end. The book provides examples demonstrating how requirements "good practices" can lead to fewer change requests, higher customer satisfaction, and lower development costs. Fully updated with contemporary examples and many new practices and techniques, it also describes how to apply effective requirements practices to agile projects and numerous other special project situations. It is targeted to business analysts, developers, project managers, and others.