Born: Established: 1926 New York (City), New York (State),
The relationship between Morrow and the Avon Books science fiction imprint AvoNova appears to have been as hardcover and paperback packagers of the same titles. AvoNova would buy the paperback rights (and an agreed number of copies) to some Morrow science fiction titles. Being essentially the same (albeit with slightly different title pages) the two editions invariably shared a similar ISBN (with the hardcover copy using an X to replace the last number). Both editions would generally carry the names of the respective publishing houses - either together on the title page or with one on the verso (reverse title page).
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