The Thirteenth Pearl [antikvár]

CHAPTER IMr. Moto"How would you girls like a drink of pearl powder?" Nancy Drew asked her friends Bess and George. "It's calcium and is guaranteed to cure anything that's wrong with you."The two girls laughed, sure that Nancy was joking. The attractive, blue-eyed, strawberry blond sleuth shook her head.'Tm not kidding. It's true."Bess, a slightly overweight blond who, like the others, was eighteen years old, made a face. "You know how I like to eat, but powder made from pearls!"George, to whom food meant little, was a slender athletic-looking brunette. "So far as I know, there's nothing wrong with me, so I'll pass.""Well, Nancy," Bess urged, "tell us what the joke is."