Fifteen-year-old Bobby thinks he knows what it's like to be invisible-he's used to being ignored by the popular kids at school (especially the girls). Even his parents hardly seem to notice whether he's home or not. Then one morning, Bobby wakes up to find that he IS invisible. For real. He can't stop wondering if he'll ever reappear-especially when his parents wreck their car and wind up in the hospital. Now Bobby is all alone. How can he survive...