It's not a book, but the Python3 Deep Dive courses by Fred Baptiste on Udemy are very good at helping to understand the internals of python: https://www.udemy.c

It's not a book, but the Python3 Deep Dive courses by Fred Baptiste on Udemy are very good at helping to understand the internals of python: https://www.udemy.com/user/fredbaptiste/ https://www.udemy.com/user/fredbaptiste/ If the courses are pricey, remember that Udemy seems to have major sales every couple of weeks, so I'm sure they will come down in price again soon.