Chapter 4: Requirement Specification for a Modular Web Shop App
Chapter 5: Symfony at a Glance
Chapter 6: Building the Core Module
Chapter 7: Building the Catalog Module
Chapter 8: Building the Customer Module
Chapter 9: Building the Payment Module
Chapter 10: Building the Shipment Module
Chapter 11: Building the Sales Module
Chapter 12: Integrating and Distributing Modules