There is a good set of recommendations from mathwonk in this physicsforums thread (pretty detailed) https://www.physicsforums.com/threads/the-should-i-become-a-

There is a good set of recommendations from mathwonk in this physicsforums thread (pretty detailed) https://www.physicsforums.com/threads/the-should-i-become-a-mathematician-thread.122924/ https://www.physicsforums.com/threads/the-should-i-become-a-...