Easy-reading information book on the high-interest topic of tractors.Tough Tractors tells you everything you want to know about tractors, from the huge to the heavy-lifting. FInd out about bulldozers, excavators, combine harvesters and so much more.It's All About... series is packed with up-to-date facts and stats, includes a contents page, glossary and index, and there are eight amazing collector cards to keep. Details on accessing the free downloadable audio of Tough Tractors is available on page 3.