<p>¿ Fifty Railways that Changed the Course of History is afascinating and beautifully presented guide to the train lines and rail companies thathave had the greatest impact on modern civilization.</p><p>¿ Entries range from the Metropolitan Line of the LondonUnderground, the world¿s first underground railway, to the Pacific Railroad, thefirst transcontinental railroad in North America.</p><p>¿ In order to justify the assertion that they literally ''changedthe course of history,'' each railway is judged by its influence in fivecategories: Engineering, Society, commerce, Politics, and Military.</p><p> </p>