Chapter 3

XV THE MAN WHO WOULD GO ON (_Livingstone_) 131 XVI A BLACK PRINCE OF AFRICA (_Khama_) 136 XVII THE KNIGHT OF THE SLAVE GIRLS (_George Grenfell_) 150 XVIII "A MAN WHO CAN TURN HIS HAND TO ANYTHING" (_Mackay_) 158 XIX THE ROADMAKER (_Mackay_) 164 XX FIGHTING THE SLAVE TRADE (_Mackay_) 172 XXI THE BLACK APOSTLE OF THE LONELY LAKE (_Shomolakae_) 186 XXII THE WOMAN WHO CONQUERED CANNIBALS (_Mary Slessor_) 196