If you find any grammatical issue, please report it using Github Issues. Or, if some sentence or paragraph is difficult to understand, feel free to make a pull request. This book is in active development and I'll regularly update and improve it. I am not a native English speaker so feel free to correct me if something is not properly written.
If you have any question related to the material or the development of the book, feel free to open a GitHub issue or to contact me.
I am Marco Bambini and you can reach me at: