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 especially, his workshop, and others apparently by unconnected artists. When interest in Botticelli revived in the 19th century, it was initially largely in his Madonnas, which then began to be forged on a considerable scale. In the "Magnificat Madonna" in the Uffizi (118 cm or 46.5 inches across, c. 1483), Mary is writing down the "Magnificat", a speech from the Gospel of Luke () where it is spoken by Mary upon the occasion of her Visitation to her cousin Elizabeth, some months before the birth of Jesus. She holds the baby Jesus, and is surrounded by wingless angels impossible to