Fundamental Algorithms of Machine Learning (dropbox.com)

The other chapters so far are available from the companion site: http://themlbook.com/

Maybe it’s because of the 100 page limit, but it’s pretty unusual to put supervised linear methods with unsupervised clustering. Usually, those are two different chapters.

My math is terrible, what can I read to understand this book?

Far more complete : https://www.deeplearningbook.org/ (Ian Goodfellow and Yoshua Bengio and Aaron Courville)