E-Commerce book is written to address undergraduate and post graduate students with a quick introduction to the major issues and topics in electronic commerce. The primary aim of this book is to provide a clear and straightforward approach to e-commerce and its implementation. The book is designed for its use in independent study. This book is written in very student friendly language and provides the complete basic knowledge of e-commerce. This book is fruitful for its reader as a course text with the most useful information possible in an e-commerce course and for real life in e-business purpose.