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 source of information about his life, even though Vasari twice mixes him up with Francesco Botticini, another Florentine painter of the day. Vasari saw Botticelli as a firm partisan of the anti-Medici faction influenced by Savonarola, while Vasari himself relied heavily on the patronage of the returned Medicis of his own day. Vasari also saw him as an artist who had abandoned his talent in his last years, which offended his high idea of the artistic vocation. He devotes a good part of his text to rather alarming anecdotes of practical jokes by Botticelli. In 1621 a picture-buying agent of