Everything you need to understand or teach The Riverworld Series by Philip José Farmer.
The theme of The Riverworld Series is probably most succinctly expressed in Chapter Thirty-One of The Dark Design by the character Peter Jairus Frigate, Philip Jose Farmer's surrogate in the series. Frigate explains that man is a creature stretched between animal and superman, with a superman being a man or woman who is free of prejudices and neuroses, who realizes his or her full potential, who acts on the basis of love, and...