I highly recommend Goodfellow et al.'s deep learning book: http://www.deeplearningbook.org/ http://www.deeplearningbook.org/ Part 1 of the book has a nice intr

I highly recommend Goodfellow et al.'s deep learning book: http://www.deeplearningbook.org/ http://www.deeplearningbook.org/ Part 1 of the book has a nice introduction to machine learning concepts so it makes the book accessible even for people new to the field.