Geographic Books The data on Europe in Chinese gazetteers and historical works were extremely scanty. 1840-1861(before the restoration period), more than 22 books had been written, including Lin Tse-hsu ( Zexu's compilation works in 1841 and Hsu Chi-yu (Xu jiyu's work in 1848.(A brief survey of the maritime circuit Why? Their motives for writing. Taking advantage of the barbarians so to subdue them a Wei Yuan's writing on Haiguo/Ocean Countries)--Illustrated treatise on the maritime keingdomsStatement of a policy for Maritime Defense, 1842. (geography, techniques of shipbuilding and weapon production in foreign countriesGeographic Books Geographic Books „ The data on Europe in Chinese gazetteers and historical The data on Europe in Chinese gazetteers and historical works were extremely scanty. works were extremely scanty. „ 1840 -1861 (before the restoration period), more than 22 1861 (before the restoration period), more than 22 books had been written, including Lin books had been written, including Lin Tse -hsu (Zexu)’s compilation works in 1841 and Hsu Chi compilation works in 1841 and Hsu Chi-yu (Xu Jiyu)’s work in 1848. (A brief survey of the maritime circuit) in 1848. (A brief survey of the maritime circuit) „ Why? Their motives for writing Why? Their motives for writing…“Taking advantage of the Taking advantage of the barbarians so to subdue them barbarians so to subdue them ” „ Wei Yuan Wei Yuan’s writing on s writing on Haiguo [Ocean Countries) [Ocean Countries) -- Illustrated Illustrated treatise on the maritime kingdoms treatise on the maritime kingdoms “Statement of a Policy for Statement of a Policy for Maritime Defense, 1842. Maritime Defense, 1842. ” (geography, techniques of (geography, techniques of shipbuilding and weapon production in foreign countries) shipbuilding and weapon production in foreign countries)