0521303583 SHOW MOOCHABLE + ? RELATED SEARCHES > ADVANCED SEARCH > SHOW COVERS + ASIN Copies Joseph Needham Science and Civilisation in China, Volume 5: Chemistry and Chemical Technology, Part 7, Military Technology: The Gunpowder Epic 0 Search BookMooch for a book: SEARCH BOOKMOOCH > Search Amazon for a book: amazon.co.uk amazon.de amazon.es amazon.fr amazon.it amazon.cn SEARCH AMAZON >