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How to Catapult a Castle: Machines that Brought Down the Battlements

By James de Winter
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By James de Winter
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Extreme From gravity defying athletes to the crime fighting properties of superglue science is behind all things extreme This action packed series presents incredible facts and stories behind how things work and why they happen Science has never been so extreme

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KidsHistory - KidsScience & Technology - KidsEuropean History - KidsMilitary History - KidsMedieval History - KidsGeneral Military History - KidsInventions & Inventors - Kids