Notta tried the post with a few more questions, but it just sniffed sulkily, and seeing no more was to be got out of it, the two hurried on.
"Maybe D stands for Dorothy," said Bob, after a little silence.
"Maybe," mused the clown, looking uneasily over his shoulder, "but this is a strange country, and we'll have to take it as we find it. Hello, what's this?"
A sudden turn brought them up short, for the lane was closed off by a gray wall, so high one could not possibly climb over and so wide that it would take days to walk 'round. And in the wall were seven heavy oak doors.
"This is the Kingdom of Doorways," announced a large sign, posted half way up the walls. "Be sure to use the right door."
"But which is the right door?" gasped the clown, half expecting the sign to answer him.
"There are seven," exclaimed Bob, who had been counting them up on his fingers.