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 in 1481 for Milan, the Pollaiolo brothers in 1484 for Rome, and Andrea Verrochio in 1485 for Venice. The remaining leaders of Florentine painting, Botticelli, Domenico Ghirlandaio and Filippino Lippi, worked on a major fresco cycle with Perugino, for Lorenzo the Magnificent's villa at Spedalletto near Volterra. Botticelli painted many Madonnas, covered in a section below, and altarpieces and frescos in Florentine churches. In 1491 he served on a committee to decide upon a façade for the Cathedral of Florence, receiving the next year a small payment for a design for a scheme, eventually abortive, to put mosaics on some