1. Tang Chinain Multi-polar Asia: A History of Diplomacyand War (book-length manuscript, to be published by The University of HawaiiPress)
2. Ambassadors from the Islands of Immortals: China-Japan Relations in the Han-TangPeriod, 416 pp., 13 photographs. Hawaii: University of Hawaii Press, 2005.
2. "The Administration of Diplomatic Relations under theT'ang dynasty." in Denis Twitchett ed., The CambridgeHistory of China,vol. 4. Cambridge:The Cambridge University Press (in press)
3. "唐代的海外貿易管理",載王利器,常思春編《知古拓新集》,324-339頁。成都: 成都出版社,1992年。 "Chapter3 China:From Revolution to War (1911-37)," pp. 36-55.
4. "Chapter 6 The Road to War: War in Chinaand the Pacific," pp. 88-103.
"Chapter 9 Chinafrom Civil War to Modernisation," pp. 138-157.
In Inroads: Modern WorldHistory (GEC `N' & `O' Levels). With Lim Siew Hoon, Tham Yoke Peng, andLloyd Yeo, Oxford University Press (Singapore), 2000.
3. “Ideas concerning Diplomacy and foreign policyunder the Tang Emperors Gaozu and Taizong.” Special issue of Asia Major inmemory of Professor Denis Twitchett, 22:1 (2009), pp. 239-286.
4.“Reading Song-Ming records on the pre-colonial history of the Philippines,” 《東アジア文化交涉研究》(日本関西大學),第1期 (2008年), 249- 260頁.
10. "Chōnen's Pilgrimageto China: 983-986," Asia Major, 7:2 (1994), pp. 1-36.
11."The Use of JapaneseRecords in Sung Official Histories: A Textual Study," The Gest LibraryJournal, 7:1 ( 1994), pp. 43-71.
12. "Speaking With aForked Tongue: Sino-Japanese Diplomatic Correspondence 238-608," Journalof the American Oriental Society, 114:1 (1994), pp. 23-32.
13. "T'ang Maritime TradeAdministration," Asia Major, 4:1(1992), pp. 7-38.
13. "Chinese Titles as aMeans of Diplomatic Communication between China and Japan during the Han-Tangperiod," Studies in Chinese History, 2 (1992), pp. 7-34.
14. "Manuscript Copy ofChinese Books in Ancient Japan," The Gest Library Journal, 4:1 (1991), pp.35-67.
2. “The activities of Chinesejunks on East Asian seas from the seventeenth to the nineteenth centuries: mainlybased on sand junks and bird junks.” Mariners’ Mirror (U.K.), 94:2 (May 2008), pp.150-159.