The Captive by Victoria Holt

Tags: Harem,

Rosetta Knows Little of Life Beyond the Schoolroom...
Until she finds herself shipwrecked off the African coast. Saved from the raging seas by the ship's handsome, mysterious deckhand, she soon discovers her hero is fellow-Londoner Simon Perrivale, an infamous fugitive accused of murder.
Her hopes of rescue are dashed when they are abducted by pirates...and the lovely fiar-haired Rosetta is sold to a Turkish Pasha. Locked away in his harem, she will risk her life to save her virtue - and to unravel the mystery that has wrongfully imprisoned Simon.
But through she plots her escape from the exotic Middle East to the elegant mansions of London, Rosetta is still bound by a consuming passion that will forever make her love's captive..