Feynman QED: The Strange Theory of Light and Matter;
Penrose The road to reality;
Greene The elegant universe;
Greene The fabric of cosmos;
Greene The hidden reality;
Hofstadter Gödel, Escher, Bach;
Asimov Understanding Physics;
Ivanov Easy as pi;
Boyer a history of Mathematics;
Robbins What is Mathematics?;
Russel principia mathematica;
From the few I have read, I certainly know this is a great list. Am adding others to my queue. Question: Which all amongst these are NOT high on signal-to-noise ratio, if any?
E.g., I did not find Courant/Robbins as high density, though it is a very good book still.