Here are a couple lists of mathematics topics, organized be level, with suggested books for each topic/level. The second one has pretty extensive commentary on

Here are a couple lists of mathematics topics, organized be level, with suggested books for each topic/level. The second one has pretty extensive commentary on each of the books. "How to Become a Pure Mathematician (or Statistician)" [1] "Chicago undergraduate mathematics bibliography" [2] [1] https://hbpms.blogspot.com/ https://hbpms.blogspot.com/ [2] https://www.ocf.berkeley.edu/~abhishek/chicmath.htm https://www.ocf.berkeley.edu/~abhishek/chicmath.htm