Que fue la batalla de Gettysburg? (What Was The Battle of Gettysburg?)

"Four score and seven years ago..." begins Abraham Lincoln's beautiful speech commemorating the three-day battle that turned the tide of the Civil War. The South had been winning up to this point—so how did Union troops stop General Robert E. Lee's invasion of the North? With black-and-illustrations throughout and sixteen pages of photos, this turning point in history is brought vividly to life here.