A Spanish translation of National Geographic Readers Trains Level 1. Choo choo! Kids love trains! Especially the classic steam engines found in amusement parks and zoos. But what about a super-speeder in Japan that zooms along the track at 361 miles an hour (581 km/h)? Or the world's longest freight train, stretching a whopping 4.6 miles (7.4 km)? Or futuristic railways in the sky? National Geographic Readers feature engaging text carefully vetted...