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The Beginner's Guide to LLM Prompt Engineering: Build, Chain, and Scale AI Apps Using Prompt Declaration Language (PDL) and LangChain
Paperback
Publisher: Independently Published
Published: Jul 30 2026
Pages: 228
Weight: 0.89
Height: 0.48 Width: 7.00 Depth: 10.00
Language: English
Most AI applications don't fail because of the model-they fail because of poorly engineered prompts.
If you're ready to move beyond basic prompting and learn how to build reliable, scalable AI applications, this book is your practical guide.
The Beginner's Guide to LLM Prompt Engineering teaches you how to design effective prompts, build intelligent workflows, and create production-ready AI systems using Prompt Declaration Language (PDL) and LangChain. From understanding how large language models process instructions to developing AI agents and Retrieval-Augmented Generation (RAG) applications, you'll gain the skills needed to engineer AI with confidence.
Inside, you'll learn how to:
- Master modern prompt engineering techniques for consistent, high-quality results.
- Build reusable prompt workflows with PDL.
- Develop AI applications using LangChain and LCEL.
- Connect LLMs to APIs, tools, vector databases, and external data sources.
- Create AI agents that can reason, plan, and automate complex tasks.
- Apply industry best practices for secure, scalable, and maintainable AI systems.
Unlike books that focus only on writing better prompts, this guide shows you how to transform prompts into complete AI-powered applications using modern engineering principles and real-world examples.
Whether you're a developer, AI engineer, data scientist, student, or technology professional, this book will help you build practical skills that are in high demand as AI continues to reshape the software industry.
Start building smarter AI applications today. Scroll up and click Buy Now to begin your journey into professional LLM prompt engineering.
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