"This 3 volume set includes recent results in Relativity Theory, including their influence in cosmology and theories of classical and quantum gravity. This is provided by reprints of recent papers from the journal General Relativity and Gravitation, together with a newly written Preface introducing the interrelation of these topics.
Black holes and gravitational lensing, singularity theorems for Einstein gravity, strings and Kaluza-Klein cosmological models belong to the set of covered hot topics, written by the Physics Nobel laureates J. Schwinger, P. Dirac, I. Prigonine, as well as by other famous authors including S. Hawking, R. Penrose, C. Brans and H. Bondi. "