First, there's the room you can see through the glass--that's just the same as our drawing room, only the things go the other way.

I can see all of it when I get upon a chair--all but the bit behind the fireplace.

Oh! I do so wish I could see THAT bit! I want so much to know whether they've a fire in the winter: you never CAN tell, you know, unless our fire smokes, and then smoke comes up in that room too--but that may be only pretence, just to make it look as if they had a fire.

Well then, the books are something like our books, only the words go the wrong way; I know that, because I've held up one of our books to the glass, and then they hold up one in the other room.
"How would you like to live in Looking-glass House, Kitty?
I wonder if they'd give you milk in there?
Perhaps Looking-glass milk isn't good to drink--But oh, Kitty! now we come to the passage.

You can just see a little PEEP of the passage in Looking-glass House, if you leave the door of our drawing-room wide open: and it's very like our passage as far as you can see, only you know it may be quite different on beyond.
Oh, Kitty! how nice it would be if we could only get through into Looking-glass House! I'm sure it's got, oh! such beautiful things in it! Let's pretend there's a way of getting through into it, somehow, Kitty.
Let's pretend the glass has got all soft like gauze, so that we can get through.