[He opens the book across his lap and flips the pages, landing on one with Jefferson.]

The book says you went to Wonderland - the one from our world - and then abandoned the Hatter there. Why did you go if your mom was there?

[The book, of course, doesn't tell any of the reason why his mom went to begin with, but he thinks it has to be a good reason if she went to a place where her mom was.]