The book "AI Engineering: Building Applications with Foundation Models" offers a comprehensive guide to leveraging state-of-the-art AI models, known as foundation models, to develop robust and innovative applications. These models, trained on vast datasets, have achieved remarkable performance in various NLP, CV, and RL tasks. By understanding how these models work and how to adapt them to specific use cases, you can create solutions that automate repetitive tasks, enhance user experiences, and drive business growth. This accessible yet expert-level resource covers foundational concepts, such as model architectures, training strategies, and evaluation metrics, ensuring that even those new to AI can grasp the key ideas. It also delves into practical applications, including how to fine-tune models, deploy them in production, and optimize their performance. "AI Engineering" will equip you with the skills and knowledge to build applications that harness the power of AI, helping you stay competitive in today's rapidly evolving technology landscape.