Space and Astronomy by Scott McCutcheon
English | 30 May 2006 | ISBN: 0816054673 | 209 Pages | PDF | 13 MB
English | 30 May 2006 | ISBN: 0816054673 | 209 Pages | PDF | 13 MB
Without the daring, courageous, and innovative thinkers the past, life as we know it would be completely different; Planes, trains, and automobiles would never have been invented; Earth would be considered the center of the universe; and strep throat, polio, and smallpox would still be incurable diseases.