The 1995 Baen edition includes both endings (which differ only on the last page), Jim Baen's own edited postlude to the story, and a collection of readers' essays giving their opinions about which ending is better.
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In a letter to Lurton Blassingame, his literary agent, Heinlein complained that it would be like "revising Romeo and Juliet to let the young lovers live happily ever after."
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