Build 20 Real-World Workflows with Open-Source Automation is the second book in the Mastering n8n Series by Hawke Calen. This practical guide teaches you how to create powerful automation workflows that improve business efficiency, reduce manual work, and connect different systems using the open-source n8n platform. Designed as a follow-up to Mastering n8n: The No-Code Automation Guide, this book focuses on real-world applications through 20 complete projects. You will learn to automate processes in marketing, sales, customer support, and data management. Each project can be customized to suit your specific needs. The book also covers webhook automation, API integrations, and how to use AI and large language models (LLMs) for smarter, more adaptive workflows. This book is ideal for developers, IT professionals, business owners, operations managers, and no-code or low-code enthusiasts who want to save time, lower costs, and improve productivity through automation. You will learn how to: Build 20 practical n8n workflows for real business cases. Use webhooks and APIs to connect tools and share data easily. Automate key business operations like marketing and sales. Apply AI and LLMs to make workflows more intelligent. Deploy secure, scalable, and reliable automation solutions. With seven easy-to-follow chapters, this book helps you gain the skills to design and maintain professional automation systems. Whether you are new to n8n or looking to advance your skills, this guide will help you create efficient and secure workflows that drive productivity and innovation.