"History." . . "JUVENILE NONFICTION History General." . . . . "Sudan" . . "Sudan." . . "Sudan"@en . "Sudan" . . . . . . . . "Examines the geography, history, economy, and culture of Sudan."@en . "Examines the geography, history, economy, and culture of Sudan." . . "Electronic books"@en . . "Juvenile works"@en . "Juvenile works" . .