Grammar Help :)

I sort of don't understand what you are asking, but ill take a guess.....

The book was as dusty as an old seat....

The book looked as dusty as the antique table it sat on in the attic, unkept and left to age until it was gone.

What? I don't understand the question.

A simile is comparing something to something else using the words like or as. 

The Sun was like a burning ball in the sky.

The blizzard covered the ground with snow as white as cotton. 

You may compare a dusty book with almost anything, use your imagination!