The book covers 24 chapters that teach how to develop and customize the Odoo open source ERP platform. Chapter 1 covers installing the development environment. Chapter 2 discusses managing Odoo server instances and add-ons. Chapter 3 explains server deployment for production use. The remaining chapters cover topics like creating modules, models, views, security, translations, automation, web development, CMS website development, testing, performance optimization, point of sale, email management and integrating IoT devices.