Things Not Seen Resources
Websites
Andrew Clements has written a whole glut of books for young adults. You can see them all here.
Articles and Interviews
In an interview with the New York Public Library, Andrew Clements admits that everyone feels invisible sometimes—even him.
Video
Check out this interview with Andrew Clements and see how he works when he's at home. You even get a glimpse of his tiny writer's studio!
Audio
If you'd rather listen to audio books like Alicia does, you can pick up the audio version here.
Images
… by its cover, and don't judge a dude by his appearance, either. After all, Bobby's a great guy but he's not much to look at (pun absolutely intended).
This fan made image for Things Not Seen gives you a sense of what Bobby looks like (or doesn't look like) when he isn't walking around in the nude.
Sorry to burst your bubble, but it turns out that author Andrew Clements didn't base Things Not Seen off of his own appearances. He is completely visible.