Bull Brannigan hopes to drain a lake near the Mgombas village and expose an ancient city that he expects to be full of treasure. Brannigan suspects that Kaänga will interfere with his scheme and attempts to have both Kaänga and Ann sacrificed to the Mgombas' spider-god. Kaänga manages to escape and Brannigan is killed by the spiders.; Wambi solves the two-year old murder case of his friend, the snake charmer Rajah Sutah.; A mad scientist is experimenting with Chief T'gani's people, creating man-animal hybrids. Camilla frees his subjects and sees to the destruction of his lab.; A woman, using two hunting leopards as enforcers, is kidnapping young men at the end of their manhood rituals and using them as slaves to remove diamonds from the river.; Terry exposes a witch doctor and his accomplice's voodoo tricks.; Simba frees Leo, a circus lion, from his cage and is then mistaken for the circus performer. Leo finds life in the wild far more difficult than he is accustomed to and returns to his owners who let Simba go free.; A brief natural history of the mandrill.; A brief natural history of the rhinoceros.