"Last ruby," puffed Atmos, who had not paid much attention to the ruby part of the story. "Why, I have a ruby." Reaching in one of his air pockets, the skyman produced a sparkling square gem. Seizing the jewel with a gasp of surprise, Reddy brought out the other two and held them up for all to see.

"Why, it is the last ruby," cried the little Prince, pointing to the R, carved distinctly on the side of the gem. "It is the ruby that protects me from all danger in the air."

"But how did Atmos get it?" exclaimed Betsy, completely bewildered.

"Well, he is an airman," began Reddy, not quite sure himself, but too surprised and delighted to really care, "And I suppose—"

"I got it from a sky-lark," announced the airman, puffing out his cheeks importantly. "One morning, as I was picking air currents from a large current bush near my air castle, a sky-lark flew by and dropped this ruby into my hand. And as it was bright and shiny, and unlike anything I had ever seen, I kept it."

"Well, good for you!" cried Carter Green, clapping Atmos on the back. "The lark must have caught the ruby as Irashi flung it into the air. Imagine the old scalawag's feelings when he knows that a Vegetable Man found the ruby he buried in the garden, a fisherman the ruby he hurled into the river and an airman, the ruby he tossed into the air! Quite a coincidence, I call it." And taking three skips and a hop to keep from rooting to the spot, Carter perched on a rock he had found himself and began to whistle merrily.

"And now!" exclaimed Betsy, running over to seize Reddy's hands, "Now with all of the rubies you can conquer Irashi and nothing can ever harm you again!"

"Oh, let's go back to Oz," growled the Hungry Tiger, lashing his tail a little at the very thought of Irashi. "Let's go back to Oz where the meals are regular and a tiger's a tiger. Reddy can live with us and we'll all have fun together. That is, if we can ever find a way to cross the desert."