Introduction to General Relativity
"... a very elegant book on the theoretical foundations of General Relativity ... very reminiscent of Dirac's monograph but modernized ..."  --George Smoot, UC Berkeley... 't Hooft's direct and rather elegant style will find many supporters ... --Physics Today, July, 2001... a very elegant book on the theoretical foundations of General Relativity ... very reminiscent of Dirac's monograph but modernized ... --George Smoot (UC Berkeley)