The Question and Answer section for Hatchet is a great resource to ask questions, find answers, and discuss the novel.
A fish board is made of wood and serves the purpose of a frying pan. This enables Brian to effectively cook his fish over the fire without having to hold it on a stick.
He had a fish board now, a piece of wood he had flattened with the hatchet,...
I know that the curve of the rock above his head acts as a flue to channel the smoke upwards and keep the heat going longer.
"His stomach tightened into a series of rolling knots and his breath came in short bursts. . ."