 However he read only the first two chapters, finding it too boring to continue.He thought it was a bad book and asked Ed Neumeier to tell him the story because he couldn't read it.From about 1961 ("Stranger in a Strange Land") to 1973 ("Time Enough for Love"), Heinlein explored some of his most important themes, such as individualism, libertarianism, and free expression of physical and emotional love.