Land of the Sun, Land Without Light

1967.  The Cold War drags on. A hot war becomes even hotter, trusting it to the patriotism of American youth. But Harrison Hamblin answers a different call. To honor his ideals, he joins the Peace Corps as a teacher. He’s the one who thinks that he knows a lot but will learn that he knows very little.

The third world is choosing sides and angling for aid. Countries will play both sides and manipulate the idealists.