Relativity Made Relatively Easy Pack, Volumes 1 and 2 (Paperback)
Volume 1: Relativity Made Relatively Easy, Volume 2: General Relativity and Cosmology
This two-volume book is a comprehensive, detailed account of the physics of relativity. While Vol. 1 is an introductory guide to the basics of relativity, Vol. 2 aims to give a working understanding of astronomy and gravitational waves, as well as outlining the key concepts in cosmology and classical field theory.