Machine Learning Book, Slides.

Had mentioned this once before, by its nature slightly out of date but good resource.  Continuing to read it now.

https://cs.nyu.edu/~mohri/mlbook/

Foundations of Machine Learning
Download:
book (PDF, HTML).
lecture slides.
Hardcopy (MIT Press, Amazon).
Errata (printing 1).
Foundations of Machine Learning
Mehryar Mohri, Afshin Rostamizadeh, and Ameet Talwalkar
MIT Press, Second Edition, 2018.  ... "