There's a light on in the attic. I can see it from outside, And I know you're on the inside . . .  lookin' out.   Step inside the mind of Shel Silverstein and you'll discover a magic homework machine, a Polar Bear in the fridge and a Meehoo With an Exactlywatt. But beware stolen knees, the babysitter who likes to squash children - and the nighttime peril of the Whatifs!   This is...