Sol snickered, and covered Nico's ears, despite his playful protestations. "When I said scratch and sniff, I was being awful," she said, raising her eyebrows and willing him to get the joke without her having to be explicit in front of Nico. "You know. What might be the worst thing you could smell from a scratch and sniff cover of a romance novel?"
She screwed up her face, having disgusted even herself, but she laughed nonetheless. "No, no scratch and sniff," she went on, releasing Nico. "But I do like the idea of a cover that changes—to those actually reading it it's the genuine cover, to the casual onlooker they see some sort of dry textbook or other bland self help book?"