Debatable Lands: The Sixteenth Carlisle & Holbrooke Naval Adventure

Set during the Seven Years War, this novel follows George Holbrooke aboard the frigate Argonaut as he embarks on a long voyage to support an Anglo-Portuguese expedition in the River Plate region, where tensions and rivalries threaten to culminate in a final showdown. The story explores naval adventure and strategic maneuvering amid the shifting sands of a contested estuary, marking the conclusion of the series and hinting at the unfolding future of Britain and its colonies.