I wouldn't have to be a policeman, would I? I bet the version of you in this book doesn't make half his deductions via smartphone.

[A version of her own world from the turn of the 19th century...Sally reaches to take the book out of Sherlock's hands, but stops herself. She shakes her head.]

Right. I'm getting that out of the library. I'm making pizza for a giant turtle later and this is still the most unnerving part of my day.