by Roy Deering (Author)
Old Faithful is a national treasure that has erupted every hour or so for more than a hundred years in Yellowstone National Park. So when the world-famous geyser goes silent, the event is international news. Parker Quinn is called in to solve the mystery. But by the time it is all said and done, the Quinn children will have solved not one mystery but two
Front Jacket
Old Faithful geyser is a national treasure that has erupted every hour or so for more than a hundred years in Yellowstone National Park. So when the world-famous geyser abruptly goes silent, the event is international news. Professor Parker Quinn is called in to solve the mystery. But by the time it is all said and done, the Quinn children will have solved not one mystery but two