The quicksand question

A to Z Mysteries #17Q is for Quicksand. . . . Everyone in Green Lawn is quaking about the ducks that keep crossing River Road. But just when the town raises enough cash to build a special duck bridge, the money is stolen! Dink, Josh, and Ruth Rose are on a quest to find the culprit. But to catch their quarry, the kids have to go wading . . . through quicksand!From the Trade Paperback edition.