Know It All: Big Machines

Impress your friends (and yourself) with just how much you know about big machines! Loads of facts and stats will bring the world of machines to life - from giant diggers, massive cranes and trains to supertankers and planes - this book will ensure you really do Know It All. Part of the series Know It All - there are eight books in this series covering everything from Cars and Knights to Inventions and Dangerous Animals.