Open the giant fold-out pages of this bright, friendly book to discover some of the biggest and most amazing tractors ever built - and some little ones too. Colourful pictures show all kinds of machines, from combine harvesters to snow and sea tractors, with facts about their special equipment. Includes links to video clips to see tractors at work. The book covers different types of tractors, and the machines they pull, as well as showing some very specific - and absolutely MASSIVE - tractors.