I will introduce my request by saying that up until fairly recently I was completely oblivious to chess despite practicing as a kid, I have a clear understanding of the FIDE rules but that's about it.
Though being an advanced player in similar disciplines I understand the concepts of opening theory, endgame, evaluation of position, albeit not in a chess context.
What are the best books of reference on:
(A) General Theory: or ways to think about chess beyond the rules themselves, having heard terms such as scope, dynamics, positional judgement, the importance of the center, pawn structures, etc.
(B) Calculation in chess: a description of the thought process, methods for improving