
Traces the evolution of humanity's need to understand space and time from late-prehistoric musings to the "supersymmetry" theories of space-time advanced as the second millennium comes to a close.
Penrose's The Emperor's New Mind Timothy Ferris Coming of Age in the Milky Way and the Zen and the Art of Motorcycle Maintenance, previously mentioned.
Maybe not the most current thinking (but perfectly fine as an introduction), but the writing is more accessible than GED.
I loved this one because it covers a lot of ground and includes a lot of fascinating detail around the human factors and personalities involved.
