This is a highly practical book that can act as a reference material to which you will want to return again and again. The discussion in the book is right up-to-the point and it is filled with ample practical examples. This book is primarily for professional developers interested in building, enhancing, or extending Zen Cart sites for customers. It is also a useful reference for those who have got Zen Cart running on their own store, and want to improve it. It will also benefit those who want to migrate from osCommerce or other engines to Zen Cart.