Aḥmad ibn Mājid al-Saʻdī, active 1462-1498. Fawāʼid fī uṣūl ʻilm al-baḥr wa-al-qawāʻid

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 ; together with an introduction on the history of Arab navigation, notes on the navigational techniques and on the topography of the Indian Ocean and a glossary of navigational terms / by G.R. Tibbetts.