Leonardo da Vinci’s (1452–1519) sketches and notes allow us to peer into the mind of a genius. A man of unquenchable curiosity spanning an infinite spectrum, he was fascinated by the grace and geometric structure of the universe. Paperblanks Sun & Moonlight sketchbook features Da Vinci’s observations on the light of the moon relative to the radiance of the sun, as recorded in the Codex Leicester.