"Don't be afraid, Sherry," said the princess. "We have come to ask for your help." "You see," added the swan, "our friend, Twinkle the Elf, is missing. He went out to play in the clouds this afternoon, and he is not yet home. Could you bring along Zack and Omar and help us search for Twinkle?" "Of course!" Sherry exclaimed. "Please wait while I ask for permission."