By Philip Koslow
By Jocelyn Murray
By Paul Tiyambe Zeleza
By Robert Harms (Yale University, Connecticut)
By James Poskett
By Tudor V. Parfitt
By Christopher Ehret (Royalty Account)
By James L. Newman
By J Brown
By Martin Meredith
By Glory Edim
By Terry Deary
By Professor James Walvin
By Nelson Mandela
By Gordon Harris
By Howard Morley Sachar
By Ashraf Abdelhay, Yonas Mesfun Asfaha, Kasper Juffermans