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
The Birth of Venus of Florence, perhaps by Lorenzo di Pierfrancesco de' Medici (1463–1503) a major patron of Botticelli, under the influence of his cousin Lorenzo de' Medici, "il Magnifico". This was first suggested by Herbert Horne in his monograph of 1908, the first major modern work on Botticelli, and long followed by most writers, but more recently has been widely doubted, though it is still accepted by some. Various interpretations of the painting rely on this origin for its meaning. Although relations were perhaps always rather tense between the "Magnifico" and his young cousins and wards, Lorenzo di Pierfrancesco and his brother Giovanni