"That's... unexpected, actually. It means... that it's the book being translated, not my brain seeing the words differently. Which... if two people can read the same book at once, it'd mean they'd see... well, never mind. Let's test this."

He walks up to the door and covers the English half of one page, then holds the book out the door and... oh. Right. Russian uses a different alphabet. He sits down and pores over the pronunciation guide for a minute, then selects a different random word.

He strolls back up to the bar and declares "картофель!"