A Grain of Sand: Nature's Secret Wonder by Gary Greenberg and Stacy Keach
English | 2008 | PDF | ISBN: 0760331987 | 113 pages | 101 Mb
Here is the world viewed within a grain of sand, thanks to the stunning three-dimensional microphotography of Dr. Gary Greenberg. To some, all sand looks alike–countless grains in a vast expanse of beach.