Fabled Timbuktu, once the site of the world's southernmost Islamic university, harbors thousands upon thousands of long-forgotten manuscripts. A dozen academic instutions from around the world are now working frantically to save and evaluate the crumbling documents. Bundles of paper covered with ancient Arabic letters lie on tables and dusty leather stools. In the sweltering heat, a man wearing blue Muslim robes flips through a worn folio, while others are busy repairing yellowed pages. An astonishing project is underway in Timbuktu, Mali, one of the world's poorest countries. On the southern edge of the Sahara Desert, experts are opening an...