This Deep Learning textbook by Ian Goodfellow is a good intro to the fundamentals: https://www.deeplearningbook.org/

It does require some math, but has an appendix with a refresher.

Then, read through this list from Ilya Sutskevar: https://github.com/dzyim/ilya-sutskever-recommended-reading

Be patient. It might take a couple of years to get up to speed. :)