Don Sebastian; or, The House of the Braganza: An Historical Romance, Volume 2 by Anna Maria Porter (1780 - 1832)

Don Sebastian is now king of Portugal, and, although exiled, looks forward to taking his seat on the throne. However, he is held captive by the beautiful Kara Aziek. Tempting as it is to stay and admire her, he knows the path to true happiness lies in freedom and endeavors to escape. The journey through Africa and across the sea is hazardous, but he must attempt it if he is to rule his people. - Summary by Lynne T.