"For millennia, the Observers had been monitoring human society. Disguised as humans themselves, they waited patiently for mankind to mature. Their philosophy was one of peace and meditation which prevented them from interfering in human destiny. But one Observer abandoned that philosophy, and et out to encourage humanity in its relentless path toward self-destruction. The struggle which wnsued is one of the great classic conflicts in the annals of science fiction."--Back cover.
