Five hundred years after a nuclear disaster a civilization of black people in Afria believe they are the only survivors on earth. But a progressive black girl gradually opens some scholarly minds to the possible existence of a beneficial white civilization beyond their self-imposed boundaries.
Barnaby and his girlfriend Jethro are among the students chosen to go on an interplanetary field trip to the pioneer planet Acoma. After several happy days, a plague sweeps the planet, and the travelers are involved in medical detective work as they try to search out the unknown killer.
When the planet Shikai must be evacuated, ranger Johnny Dinkum and others round up some of the rare animals of the planet and set off in a rocket ship in search of another planet where they can start a new herd.
Introduces the physical characteristics, habits, and environment of different members of the cat family including the lynx, lion, cougar, caracal, and many others.
Discusses how the horse became what it is today, details the characteristics and social behavior of wild relatives of the horse, and considers the future of the horse family.
