It is an online shop for selling books online. Amazon is one of the best examples of these type of projects.
Helpful links :
Setting up your online book store
Download Code :
Python and Firebird e-commerce site
Online Inventory Systems in ASP
Online Book Exchange in Perl : Perl/database code for a web-based system geared towards college
students wanting to buy/sell/trade textbooks with other students.
phpYABS in PHP is an Object-Oriented
application written for PHP 5.2.x and based on symfony and Zend
Framework; its goal is to provide a simple interface to manage either a
personal book library or a book store.