Book excerpt: For undergraduate and graduate courses in e-Commerce Systems Development and Organizational Information Systems Development. This book focuses on those concepts that are at the core of developing effective e-Commerce systems and is a starting point for the study of how effective e-Commerce systems are developed. Readers are provided a foundation for further investigation into particular issues as well as for actually developing successful e-Commerce in the real world. It does not require any particular programming skills as a prerequisite. *Complete life-cycle approach. Provides students with an overview of all the activities necessary for developing successful e-Commerce systems. *A combination of user, business, and computing viewpoints and needs. Identifies for students the range of commerce and computing issues that need to be resolved together to ensure a successful result. *Discussion of the computing processes required for the development of e-Commerce systems. Provides computer science students with an introduction to the set of software engineering processes identified by the Organization for International Standardization. Provides business students with an introduction to