“Nothing is more dangerous than being without food,” declared the horse, with a sniff at the rebuke of his young master; “and just at present no one can tell whether there are any oats in this queer country or not. If there are, they are liable to be glass oats!”

“Oh, no!” exclaimed Dorothy. “I can see plenty of nice gardens and fields down below us, at the edge of this city. But I wish we could find a way to get to the ground.”

“Why don’t you walk down?” asked Eureka. “I’m as hungry as the horse is, and I want my milk.”

“Will you try it, Zeb?” asked the girl, turning to her companion.

Zeb hesitated. He was still pale and frightened, for this dreadful adventure had upset him and made him nervous and worried. But he did not wish the little girl to think him a coward, so he advanced slowly to the edge of the roof.