A white doctor whom Kaänga believes can cure Ann of her drug-induced madness is captured by a raiding party of Chinese who take him to their village. There Kaänga frees the rightful leader of the village and restores him to his chieftanship. The doctor then cures Ann.; The Arab girl, Tanga, works with a group of white slavers. Camilla pretends to be Tanga and manages to turn the entire gang over to the territorial police.; No-mouth, a horribly scarred artifact hunter, steals the sarcophagus of Antophes, a priceless relic, from museum archaeologist Carol Devens. Terry helps recover the artifact, and No-mouth is killed by crocodiles; Simba is addled by a rifle shot. Mrs. Simba falls into a tiger trap and is caged by hunters. Simba, battling Lukor the leopard who wants to claim his throne, blunders into the hunters' camp and accidentally frees Mrs. Simba. Simba then defeats Lukor.; B'tonga schemes with two white treasure hunters to loot the tombs of his tribesman. The three, along with Tabu, are trapped in a fire and ghosts rescue Tabu, leaving the others to perish.; Curka and Sirdah scheme against Wambi, hoping to kill him. Wambi leads Sirdah on a great chase and eventually tumbles the tiger down a bluff into the river.; A brief description of several African rivers.; A brief natural history of the crocodile; Brief natural histories of a few African animals.