Build Your App With Claude Code is a practical, beginner-friendly guide for non-coders who want to turn an idea into a real website or mobile app with AI. Valeria Andros shows readers a new way to build software: describe the product, plan the work, ask Claude Code to help implement it, then test, review, and improve in small steps. Written for entrepreneurs, small business owners, aspiring app founders, creators, and complete beginners, this book focuses on the mindset and workflow that make AI-assisted development approachable and realistic. Readers learn how to think like product builders, set up a development workspace, create clear app specifications, use prompts effectively, manage project context, troubleshoot errors, and protect their work with checkpoints and Git. The book also covers websites and mobile apps, including navigation, forms, databases, authentication, APIs, testing, deployment, and app store preparation. With step-by-step instruction, reusable prompts, and practical examples, this guide helps readers move from concept to MVP with confidence. It is designed to reduce intimidation, clarify the process, and give beginners a credible path to building useful digital products with Claude Code.