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If you travelled this morning, thank an engineer. Engineers solve problems to make life easier.One major problem at the start of the 20th century was inner-city travel. Rails were expensive and they obviously limited where a tram could go, but how could engineers do away with rails? Another problem was how to move a tram without horses.Read how the cities of Bradford and Leeds became so unhappy with the trams-without-rails they had bought that they actually set about building their own.This book includes images of trams-without-rails as well as working models, and asks:• Why have they all disappeared?• Why was driving the trams so difficult? • What was the 'Diddler'?It also contains details of how you can make your own electric motor with some cheap, everyday household items.With details of the very first British tram-without-rails and an audio version included, welcome to the fascinating history of this part of engineering.“This is a brilliant introduction to engineering for young people. Tom Farris is a master storyteller.”Steven Bruce, Railway Engineering Manager, DB Transport.