Joomla! E-Commerce with VirtueMart /by Suhreed Sarkar. A step-by-step instruction-packed tutorial that teaches you to build a Joomla VirtueMart e-commerce web site through a practical example. Are you a Joomla! user who wants to build an e-commerce store? Do you have a Joomla! site and want to add e-commerce to it to sell products? Then this book is for you! The pre-requisites are simple. You should already know how to build a site with Joomla!, have a smattering of CSS/HTML and perhaps some PHP.