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 Berlin. This was painted at the same time as the Pollaiuolo brothers' much larger altarpiece of the same saint, a showpiece of anatomical poses, with the saint shown in great pain. Though very similar in pose, no doubt after Botticelli had seen the other painting, Botticelli's Sebastian seems calm and poised, following the legend that the arrows did not kill Sebastian, whose wounds were miraculously healed. The almost nude body is very carefully drawn; usually Botticelli was not greatly concerned with anatomical precision, and he painted relatively few nudes, though some are among his most famous works. The delicate winter