"Canada, Northern" . . . "Adventure fiction" . . . . . . "The challenge of the bush. [A novel.]"@en . . . "The Challenge of the Bush"@en . . . . . . . . "[The Challenge of the Bush.]"@en . "[The Challenge of the Bush.]" . . "The challenge of the bush" . . "The challenge of the bush"@en . . "Fiction" . . . . . . .