Originally Posted by kennyc
He was all over the board and some of his later work is not that good IMO mostly due to his incorporation of politics and sexualization etc.
One of the best Time Travel Stories is his: "All You Zombies"
From SF Signal: "Heinleinís Short Story 'All You Zombies' Heads to the Big Screen!
Dr. Ronald Novy
, Philosophy and Humanities at the University of Central Arkansas, has uploaded the story to his faculty website. I assume a philosophy professor is aware of copyright laws and that his upload is legit, but I haven't checked to be sure.