About Sheila Hirtle Books by Sheila Hirtle Timbuktu The Sahara's Fabled City of Gold by (author) Marq de Villiers & Sheila Hirtle A Dune Adrift The Strange Origins and Curious History of Sable Island by (author) Marq de Villiers & Sheila Hirtle Sahara A Natural History by (author) Marq de Villiers & Sheila Hirtle Into Africa A Journey Through The Ancient Empires by (author) Marq de Villiers & Sheila Hirtle
