University
UT Austin STEM textbooks
3 canonical courses indexed across Computer Science, Mathematics. Every book required or recommended below has live price comparison across Amazon, eBay, AbeBooks, Alibris, and Pearson InformIT.
Textbooks used at UT Austin

Linear Algebra and Its Applications
ReqDavid C. Lay, Steven R. Lay et al.

Pattern Recognition and Machine Learning
ReqChristopher M. Bishop

Hands-On Machine Learning with Scikit-Learn, Keras, and TensorFlow
RecAurélien Géron

Introduction to Algorithms
RecThomas H. Cormen, Charles E. Leiserson et al.

Introduction to Linear Algebra
RecGilbert Strang

The Elements of Statistical Learning: Data Mining, Inference, and Prediction
RecTrevor Hastie, Robert Tibshirani et al.