This work investigates the historical development and early maritime exploration of the Coral Sea region situated between Queensland and Papua New Guinea. Ion L. Idriess, a prolific chronicler of the Australian frontier, utilizes his extensive knowledge of the region to document the progression of human activity in these waters. The text provides a historical framework that traces the evolution of the area from early navigation through the emergence of the pearl shell industry.

This text serves as a specialized historical account that reflects the author's deep familiarity with the Australian maritime frontier. The narrative provides a focused look at the regional development of the Coral Sea, offering readers a clear, chronological perspective on its early industrial history.