An American family survives back to back world pandemics, travels to distant lands and works to form a sane society. However, wherever they go, there skulks the most devastating enemy of all.… The educator stated, "Some have elected to stay and we wish them the best, but we think that a great fishing industry could be carved out at Dar es Salaam. We think we can develop a better market on the continent." …Several of the Minsk people seemed startled when Daud asked, "How do you hope to get there, seeing that your ship does not run and you have no skilled mechanics?" …… About that time the educator had noticed armed female hyena hunters drifting into sight, eager for action, but he replied smoothly, "Of course that is our wish; I cannot see what has disturbed my colleague so much. If only we could pay you, but..."