Imagine you could talk to Hieronymus Bosch, the authors of the Book of Revelation, or of the Voynich Manuscript—a bizarre 15th century text written in an uncrackable code; that you could solve centuries-old mysteries by asking them, “what were you thinking?” You might be disappointed to hear them say, as does Luigi Serafini, author and illustrator of the Codex Seraphinianus, “At the end of the day [it’s] similar to the Rorschach inkblot test.