Once upon a time there was a girl named Audrey, and one of Audrey's favorite things to do was to read stories.

One day, she was walking around in the library at her school, and as she was walking through

the section near the back wall, she noticed a few books on the bottom of a bookshelf

in the corner that were sticking out a little further than the rest.

Huh, well, that's kind of strange.

So she knelt down and tried to push the books back in so they were lined up just right

with the books beside it.

But as she pushed them in, she kept pushing them in pushing them until her whole arm

was all the way under the shelf.

Why in the world am I able to push these books back so far,

she thought? It's like there's no wall back there or something. And so she crouched down

to see what the deal was, and she saw that in this little section of the bookshelf,

there was no back of the wall. It was like a hidden tunnel that led somewhere. She couldn't see very

well from where she was sitting. The only way to figure out what was back there was to crawl

under the shelf and into that tunnel. So she slowly crawled through the hole in the bottom

of the bookshelf. And when she got all the way to the other side, she looked up and saw a huge room.

It was like there was a whole other library hidden behind the wall.

It must have been at least ten times the size of the other one.

And the ceilings looked like they were at least twice as tall.

Audrey couldn't believe what she was seeing.

She thought to herself, I wonder if anybody else knows about this.

So she started walking through the dimly lit library, and she said,

...