The Case of the Missing Dinosaur Egg

A week before the annual Easter Egg Roll on the White House lawn, First Kids Cammie and Tessa, daughters of the first female president, and their cousin Nate attend the opening of a new dinosaur exhibit at the National Museum of Natural History. As the prize display, a seventy-million-year-old dinosaur egg is being presented, it cracks, and a tiny hatchling emerges! This is no dinosaur, but an ostrich. But where is the real dinosaur egg? The First Kids and, of course, First Dog Hooligan are...