It 's an enticing mix of the savory and suspenseful , a recipe for a great read . ` ` Black Diamond '' refers to France 's highly - prized diamond of the same name . This is Walker 's third novel featuring chief of police Bruno Courreges . The real allure of this novel are the author 's vivid details of the history of France .
` ` Black Diamond '' refers to France 's highly - prized diamond of the same name . This is Walker 's third novel featuring chief of police Bruno Courreges . The real allure of this novel are the author 's vivid details of the history of France .