Starting with the early straw walkers and rotary models, this book charts the chronological evolution of these complex machines which soon became indispensable to the cereal farmer. It shows how the combine developed into the huge modern machine, capable of processing hundreds of acres of wheat in a day. It looks at the various different makes of combine harvester such as those produced by Case, New Holland, International Harvester, John Deere and Massey Ferguson and discusses what the future holds for the combine harvester, including advanced designs and driverless drones.