An action-packed story perfect for fans of shark attack novels, with a touch of STEM, that will keep readers on the edge of their seats. Barn Whimbril is a shark-obsessed sixth grader living in Florida. When a deadly shark attack happens in a canal near his home, he heads off to the scene. As he tries to figure out what has caused these bull sharks to become more aggressive, Barn will face several hazards both in and out of the water.