Dating social customs fiction
The subtitle appears to reference James Branch Cabell's 1919 novel Jurgen, A Comedy of Justice; Heinlein later cited both the writer and the book as influences.(Heinlein's 1984 novel Job: A Comedy of Justice continues his homage.) The book does not tell precisely how the protagonist came to wake up a century and a half after being killed in a car accident, and find himself wandering in the snow in the body of a denizen of the future who had had enough of life and chose to commit suicide.The character Diana's background is clarified in a multiple-page footnote from the author.
However, in his earlier book dealt with here, Heinlein was far more cautious, placing the first circumlunar flight (not yet an actual landing) only in 2089.
The published version of the novel contains an afterword by Robert James, Ph.