This rapid-paced story for young readers from best-selling author Jonathan London churns with heart-stopping beauty and terror. Twelve-year-olds Aaron and Lisa and sixteen-year-old Cassidy join their fathers on an epic float trip down the Green River and learn what they are made of. Full of suspense, action, and adventure, crazy-frightening characters, and overcoming terrible physical and mental odds, this page turner immerses young readers into the wilds of nature and is destined to become a classic.