On gravity : a brief tour of a weighty subject /
A. Zee, Author
| Princeton, NJ : Princeton University Press
"Of the four fundamental forces of nature, gravity might be the least understood and yet the one with which we are most intimate. From the months each of us spent suspended in the womb anticipating birth to the moments when we wait for sleep to [...]
Gravity from the ground up
| Cambridge : Cambridge University Press
Topics covered include the nature of stars and galaxies, the mysteries of dark matter and dark energy, black holes, gravitational waves, inflation and the Big Bang.