I happened on them when I was young and impressionable. Glad mom never checked hardcover books that I happened to be reading. ;)
/johnny
I just checked to see what all he had written and see that he was the author of Stranger In A Strange Land and Farnham’s Freehold which I have also read. FF much more recently. I don’t read novels much anymore but I might have to read the Heinlein books I missed. Maybe even re-read The Green Hills of Earth and Time Enough For Love. All I can recall of them now is that I liked them both very much.