"Train technology has grown by leaps and bounds since trains first became popular modes of transportation in the 1800s. The first trains were powered by steam engines; todays speediest passenger trains are powered by magnets! Trains have also long been used to ship goods across the country. This guide discusses train technology and history with manageable text, which is paired with primary sources and color photographs to create a comprehensive learning experience. Colorful diagrams further help readers grasp potentially difficult topics"-- Provided by publisher.