Guide to the Keras Functional API, Keras Team, 2024 (Keras Documentation) - Official documentation covering the Keras Functional API, including advanced usage patterns and best practices.
Deep Learning with Python, François Chollet, 2021 (Manning Publications) - A comprehensive guide by the creator of Keras, offering detailed explanations and practical examples of the Functional API.
Deep Learning, Ian Goodfellow, Yoshua Bengio, and Aaron Courville, 2016 (MIT Press) - A foundational textbook on deep learning principles, providing theoretical context for various network architectures supported by the Functional API.