"South Sudan is reminding the world that Sudan conducted slave raids during the long civil war (1983-2005)."   Mende Nazer, a freed slave and a member of the Nuba tribe wrote an autobiography about her life as a slave living in Khartoum and as a slave living in London, England.    The book is "Slave: My True Story"   Publisher: Public Affairs (April 27, 2005),   ISBN-10:  1586483188.      Excerpts and the book are available at Amazon Com.   The book is a "read and a half."   For more information on the modern day slave trade go to www antislaveryinternational org.    Wikipedia has an entry for Mende Nazer.