Rihlat Baldasar (Arabic) by Amin Maalouf
Translated to Arabic, 'Le périple de Baldassare' by the French-Lebanese writer Amin Maalouf. Translated to English as 'Balthasar's Odyssey'. this is a historical novel set in the 1600's, mostly in the Mediterranean area. The story is of a quest to find a secret and rare book that could save the world.