Aside from the thick books (perhaps replace the word 'books' with 'head'?) I would concur with author Katherine Applegate.
I have homework to do for my creative writing class. Ironically, the theme is 'Hidden.' Yes, that would be about right. Hidden somewhere in the recesses of my imagination.
BUT WHAT ABOUT THE INSPIRATION FOR MY HOMEWORK?
Here's what I'm going to do. Find an image that inspires me. Go from there.
Come on inspiration. I know you're in there somewhere.