Trouble at Tumbling Waters

It is a special honor when Max and Marty Mitchell are invited as guests to the annual tribal gathering and lacrosse tournament in the village of Tumbling Waters! But the boys discover it is not all fun and games. In a friendly athletic contest Max and Marty slip from a rope bridge when the rope snaps. But was it an accident? Max, Marty and their friend, Sammy Red Fox, are on the trail of another mystery!