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.
This is Book 4 in the Know it All Series. See all Know it All books here.
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Andrew Langley is a prolific author of books for children, with a special interest in history and the environment. He has been short-listed for several major awards, most recently with books on natural disasters and Hiroshima.
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