A good book is hard to find, but in here you’ll find books that are good and are really useful to me.

Statistics:

- Introduction to Statistical Learning by Gareth James, Daniela Witten, Trevor Hastie and Robert Tibshirani

Machine Learning:

- Bayesian Reasoning and Machine Learning by David Barber
- Elements of Statistical Learning by Hastie, Tibshirani and Friedman

Probability:

- Introduction to Probability by Joseph Blitzstein

Linear Algebra:

- Introduction to Linear Algebra by Gilbert Strang