Heinlein did not publish Stranger in a Strange Land until some time after it was written, and the themes of free love and radical individualism are prominently featured in his long-unpublished first novel, For Us, The Living: A Comedy of Customs.
Heinlein nu a publicat Străin în țară străină decât la ceva vreme după ce a scris-o, tema iubirii neîngrădite și cea a individualismului radical fiind preluate din romanul său nepublicat For Us, The Living: A Comedy of Customs.