World-famous duck-tective Miss Mallard must discover who is terrorizing an archaeological expedition in this mystery that launches QUIX, a new line of fun-to-read short chapter books that are perfect for emerging readers. A terrifying headless demon threatens an archaeological expedition in the jungles of South America in this Miss Mallard Mystery. Bestselling author Robert Quackenbush's super-sleuth, Miss Mallard, is on the case to find the true villain!