For GR, I really liked Bernard Schutz's "A First Course in General Relativity" -- I read it from cover to cover. Extremely lucid explanations of some very comp

For GR, I really liked Bernard Schutz's "A First Course in General Relativity" -- I read it from cover to cover. Extremely lucid explanations of some very complex topics, and reading it for the first time blew my mind. This book "teaches" you well (compared to other books where I feel like I really am putting in a ton of mental effort just to learn what the book is trying to say, much like reading mathematics articles on Wikipedia), and it still manages to move fast.