Venus on the Half-Shell assumed that Vonnegut wrote the book. This problem was solved by the book being reprinted under Farmer's by-line. A common element to this novel is the origin of many of the characters' and locations' names. Farmer "put in a lot of references to literature and fictional authors... Most of the alien names in Venus were formed by transposing the letters of English or non-English words." The title and paperback cover art are a reference to an Italian Renaissance tempera painting by Sandro Botticelli, "The Birth of Venus", which depicts the birth of the goddess Venus as her rising from the
Sandro Botticelli landscape, reflecting the traditional date of the saint's martyrdom and feast-day in January, is also one of Botticelli's more impressive efforts. At the start of 1474 Botticelli was asked by the authorities in Pisa to join the work frescoing the Camposanto, a huge and prestigious project mostly being done by Benozzo Gozzoli, who spent nearly twenty years on it. Various payments up to September are recorded, but no work survives, and it seems that whatever Botticelli started was not finished. Whatever the outcome, that Botticelli was approached from outside Florence demonstrates a growing reputation. The "Adoration of the Magi" for