thin air Quotes

While waiting for help, Arthur notices two strange-looking men materializing out of thin air. They discuss a key and whether or not to give it to Arthur.

“Clarice and her utterly best friend, Betty Moody, are planning to ace their book project about Ruby and win the class prize, until Betty disappears into thin air, and horrible teacher Mrs. Wilberton teams Clarice up with the naughtiest boy in school.”