This document outlines a project called "Pick-A-Book", an online website for buying and selling second-hand books. It discusses the objectives of providing convenient and affordable used books, as well as saving users' time by allowing online purchases. The key modules and functionality of the website are described, including admin and user login areas to view and purchase books. Technologies used include HTML, CSS, PHP, JavaScript, and MySQL database. Data flow diagrams illustrate the flow of information between system modules and users. Limitations and future enhancements are also noted.