Recommended Readings

This is by far the best book on the market on how to write effective and clear Business Requirements. The focus is on true "Business Requirements and not System Specifications. Mr. Alexander does an excellent job in breaking down a business requirement into different parts. He also identifies a process to use to properly gather, analyze and dcoument cusiness requirements. There is also a good section on "what is not a buisness requirement".
This is considered by many to be the "Bible" on Use Case writing by Alistair Cockburn, the "guru" of Use Cases. Mr Cockburn describes the process of writing and using Use Cases. He explains the diffferent levels of Use Cases and when you should use which level. This is not a book on UML but rather a book on how to write narrative Use Cases.
This book shows IT professionals how to use business rules to specify more what the users want. Tony Morgan provides a thorough introduction to business rules, as well as a practical framework for integrating them into information systems. He shows you how to identify and express business rules, offers practical strategies for their use, and explains the key elements of logic that underpin their application. Whether you are an analyst, designer, developer, or technical manager, the in-depth information and practical perspective in this valuable resource will guide you in your efforts to build rule-centered information systems that fully support the goals of your organization.