In the book, Bobby and Vinny are cousins. They are both young boys who find themselves in a difficult and dangerous situation after a hurricane ravages their small island community.
While they are cousins, their relationship isn't always easy. They have their differences, and sometimes they clash. However, they are ultimately there for each other, relying on each other for support and protection in the face of adversity.
Their relationship is a key part of the story, showing how even amidst hardship, family bonds can endure and offer strength.