Learning LangChain 1st Edition By Mayo Oshin, Nuno Campos

Learning LangChain: Building AI and LLM Applications with LangChain and LangGraph* is the first edition of a book by Mayo Oshin and Nuno Campos, published by O'Reilly Media in early 2025. Book Details

• Authors: Mayo Oshin and Nuno Campos
• Publisher: O'Reilly Media
• Publication Date: February 13, 2025 (ebook release date, print version varies slightly by retailer)
• Print Length: 294-296 pages
• ISBN-13: 978-1098167288 (print), 978-1098167240 (ebook)
• ISBN-10: 1098167287 (print), 1098167244 (ebook) 

Key Content: The book is a hands-on guide for developers looking to build production-ready AI applications using the LangChain framework. 

• Core Concepts: Understand and use the fundamental components of LangChain in development projects.
• Retrieval-Augmented Generation (RAG): Learn to implement RAG to enhance the accuracy of Large Language Models (LLMs) using external, up-to-date data.
• Agent Architecture: Make use of the powerful agent architecture with LangGraph, an orchestration framework.
• Deployment and Evaluation: Implement strategies for monitoring, testing, and evaluating AI applications to ensure continuous improvement in production environments.
• Integration: Integrate and manage third-party APIs and tools to extend the functionality of AI applications. 

Reviews and AudienceThe book is aimed at beginner to intermediate developers who understand Python or JavaScript and are eager to harness the power of AI. Reviewers on platforms like Goodreads give it a positive rating of around 3.8 stars. According to the publisher's synopsis, the authors "demystify the use of LangChain through practical insights and in-depth tutorials". Nuno Campos is a founding software engineer at LangChain, Inc., and Mayo Oshin is a tech entrepreneur and AI advisor.