Research materials for Lolita
138 notecards that make up the as of yet unpublished The Original of Laura
V.N. would write them by hand, often in bed, or at a stand up desk.
He would dictate them to his wife, Vera.
After dinner, they often played games. Chess and Scrabble were favorites. VN was a decent chess player, but pretty accomplished at the creation of chess puzzles.