Tibbetts, G. R Arab navigation in the Indian Ocean before the coming of the Portuguese : being a translation of Kitāb al-Fawāʼid fī uṣūl al-baḥr waʼl-qawāʼid of Aḥmad b. Mājid al-Najdī - New York: Routledge, 2007 - xxvi, 614, [16] p. of plates : ill., maps ; 23 cm ISBN: 9780947593230 Subjects--Topical Terms: Indian Ocean - Discovery and exploration - Arabic Dewey Class. No.: 890.8 TIB