Deep Learning, Ian Goodfellow, Yoshua Bengio, and Aaron Courville, 2016 (MIT Press) - A foundational textbook on deep learning, providing context for neural networks, sequence models like RNNs, and the general necessity of numerical data representation for these models.
Natural Language Processing with Transformers: Building Innovative Applications with NLP, Lewis Tunstall, Leandro von Werra, and Thomas Wolf, 2022 (O'Reilly Media) - A practical guide to modern NLP using deep learning, detailing current text preprocessing techniques, tokenization strategies (including subword), and the creation of model input tensors for sequence models.