Most people are under a misapprehension: the Rocket was not the first steam engine. Quite a few were built before it, but Stephenson's engine was the first successful steam locomotive. Colin Maggs tells the story of the steam engine, from pre-Rocket days, to British Railways building the Evening Star - the last main-line locomotive - through to the preservation movement and the new-build locomotives of extinct classes such as the Tornado. In this...