Book 6 in the hardback series - Racing Trains Peter's Railway is a story about a young boy who lives at Grandpa's farm. After building a miniature railway across the farm and then completing an amazing 5 mile extension to the line, Peter is ready for some more thrilling adventures. As their engineering skills progress the children are given more responsibility on the railway, and are delighted when they are given the task of completing a model Stirling Single locomotive - a perfect project for the summer! After watching the mainline train thunder past their miniature railway, the children were asking how fast was it travelling, and how fast could Fiery Fox go? Peter, always one for tinkering and creating things, comes up with just the ticket to measure speed - a computer-powered speedometer This leads to all sorts of adventures and the inevitable races along the track to test out Peter's new invention and to find out how fast trains can go! As in the previous books in the series, there is technical information and diagrams at the end of relevant chapters. In this book the topics explored are: how wheel size affects speed, pistons speed, work, power, computer programs, boilers, and much more...